(Test Bank) Dimensional Analysis

Horntvedt, 2

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Test Bank

2nd Edition

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Test Bank for Dimensional Analysis, The downloadable file consists of 169 pages, and the total size of the file is 2.01 MB. Purchase now only for highly discounted price.

Author(s): Horntvedt

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Dimensional Analysis 2nd Edition Horntvedt Test Bank Whole Numbers CHAPTER 1 1. Which of the following are ways that numbers may be correctly expressed? Select all that apply. 1. Inverse 2. Rational 3. Decimals 4. Proper 5. Fractions 2. Place the mathematical operations in the correct order they should be performed: 1. Perform the operations that require adding or subtracting, starting from left to right. 2. Perform the operations that are inside the parentheses first. 3. Perform the operations that require multiplying or dividing, starting from left to right. 3. Which numbers are considered whole numbers? Select all that apply. 1. 10,000 2. –20 3. 0 4. 7 5. 3/5 4. Which signs indicate that a division operation should be performed? Select all that apply. 1. × 2. / 3. * 4. ÷ 5. - 5. Which of the following is true regarding the order of mathematical operations? 1. Perform operations that are inside parentheses first. 2. Perform operations that require multiplying or dividing, starting from right to left. 3. Perform operations that require adding or subtracting before multiplying or dividing. 4. Perform operations that are inside parentheses last. 6. For the number 2,875,634, which number is in the hundreds place? 1. 2 2. 8 3. 6 4. 4 Calculate the following equations. 7. 6,157 + 816 = 8. 8,153,757 + 4,514 = 9. 845 – 627 = 10. 48,685 – 7,526 = 11. 84 × 75 = 12. 16 × 8 = 13. 16 ÷ 4 = 14. 21 ÷ 7 = 15. 27 ÷ 3 = ANSWERS Whole Numbers CHAPTER 1 1. Which of the following are ways that numbers may be correctly expressed? Select all that apply. 1. Inverse 2. Rational 3. Decimals 4. Proper 5. Fractions ANS: 2, 3, 5 Rationale: Numbers may be expressed as integers, rational or irrational numbers, real numbers, fractions, decimals, whole numbers, or factors. 2. Place the mathematical operations in the correct order they should be performed: 1. Perform the operations that require adding or subtracting, starting from left to right. 2. Perform the operations that are inside the parentheses first. 3. Perform the operations that require multiplying or dividing, starting from left to right. ANS: 2, 3, 1 Rationale: This is the correctToErdSeTr fBoAr pNeKrfSoErmLinLgEmRa.tCheOmMatical operations. See Box 1-3 in text. 3. Which numbers are considered whole numbers? Select all that apply. 1. 10,000 2. –20 3. 0 4. 7 5. 3/5 ANS: 1, 3, 4 Rationale: Whole numbers are called natural numbers or counting numbers . They include 0 and all positive numbers such as 1, 2, 3, 4 and so on. 4. Which signs indicate that a division operation should be performed? Select all that apply. 1. × 2. / 3. * 4. ÷ 5. - ANS: 2, 4 Rationale: These symbols are indications that a division operation should be performed. The other symbols listed are for multiplication and subtraction. 5. Which of the following is true regarding the order of mathematical operations? 1. Perform operations that are inside parentheses first. 2. Perform operations that require multiplying or dividing, starting from right to left. 3. Perform operations that require adding or subtracting before multiplying or dividing. 4. Perform operations that are inside parentheses last. ANS: 1 Rationale: The order of mathematical operations is as follows: 1) Perform operations that are inside the parentheses first. 2) Perform the operations that require multiplying or dividing first, starting from left to right. 3) Perform the operations that require adding or subtracting next, starting from left to right. 6. For the number 2,875,634, which number is in the hundreds place? 1. 2 2. 8 3. 6 4. 4 ANS: 3 Rationale: The place values of the number 2,875,634 from left to right are as follows: millions (2), hundred thousands (8), ten thousands (7), thousands (5), hundreds (6), tens (3), and ones (4). 7. 6,157 + 816 = ANS: 6,973 Rationale: 1 6157 + 816 6973 8. 8,153,757 + 4,514 = ANS: 8,158,271 Rationale: 1 1 8153757 + 4514 8158271 9. 845 – 627 = ANS: 218 Rationale: 31 845 - 627 218 10. 48,685 – 7,526 = ANS: 41,159 Rationale: 71 48685 - 7526 41159 11. 84 × 75 = ANS: 6,300 Rationale: 2 2 84 x 75 1 1420 5880 6300 12. 16 × 8 = ANS: 128 Rationale: 4 16 x 8 128 13. 16 ÷ 4 = ANS: 4 Rationale: 4 4 ) 16 14. 21 ÷ 7 = ANS: 3 Rationale: 3 7 ) 21 15. 27 ÷ 3 = ANS: 9 Rationale: 9 3 ) 27 Whole Numbers -6 Fractions CHAPTER 2 1. When working with fractions, what is the term for the greatest common number that divides evenly into both the numerator and the denominator? 1. Divisor 2. Factor 3. Dividend 4. Product 2. When adding fractions with different denominators, the fractions must be changed to have a common denominator. What is the term for this change? 1. Transforming 2. Averaging 3. Lowering 4. Raising 3. Reducing a fraction to the lowest terms involves which of the following? 1. Finding a factor that divides evenly into both the numerator and denominator 2. Finding a common denominator for the fractions and adding the numerators 3. Finding a common denominator for the fractions and subtracting the smaller fraction from the larger one 4. Multiplying the numerators and denominators of the fractions 4. Which statements are true when discussing improper fractions? Select all that apply. 1. Numerators are greater than or equal to their denominators. 2. Improper fractions contain both a whole number and a fraction. 3. The value of an improper fraction is greater than or equal to one. 4. Numerators are less than their denominators. 5. Improper fractions contain a numerator and denominator that are both divisible by the number two. 5. Which of the following operations require finding a common denominator before completing the equation? Select all that apply. 1. Adding fractions 2. Subtracting fractions 3. Multiplying fractions 4. Dividing fractions 5. Reducing reactions 6. Which of the following is true regarding mixed fractions? 1. The numerator is always greater than the denominator. 2. The value is always less than one. 3. It contains both a whole number and a fraction. 4. It contains a decimal point. 7. A fraction represents parts of a whole and is written with a numerator on top and a on bottom. Calculate the following. If applicable, show your answer as a mixed fraction. 3 8. 2 + = 4 5 3 9. + = 9 9 3 1 10. 3 + = 8 4 4 11. 5 9 12. 3 3 – = 5 1 – = 9 7 3 13. × = 2 14 4 1 14. 3 × = 5 3 1 1 15. ÷ = 4 8 7 2 16. ÷ = 8 3 ANSWERS Fractions CHAPTER 2 1. When working with fractions, what is the term for the greatest common number that divides evenly into both the numerator and the denominator? 1. Divisor 2. Factor 3. Dividend 4. Product ANS: 2 Rationale: The greatest common number, or factor, is one that divides evenly into both the numerator and the denominator. 2. When adding fractions with different denominators, the fractions must be changed to have a common denominator. What is the term for this change? 1. Transforming 2. Averaging 3. Lowering 4. Raising ANS: 4 Rationale: Adding fractions with different denominators involve “raising” fractions to higher terms to have a common denominator. 3. Reducing a fraction to the lowest terms involves which of the following? 1. Finding a factor that divides evenly into both the numerator and denominator 2. Finding a common denominator for the fractions and adding the numerators 3. Finding a common denominator for the fractions and subtracting the smaller fraction from the larger one 4. Multiplying the numerators and denominators of the fractions ANS: 1 Rationale: Reducing a fraction to the lowest terms involves finding a factor that divides evenly into both the numerator and denominator. (2) refers to adding fractions, (3) refers to subtracting fractions, and (4) refers to multiplying fractions. 4. Which statements are true when discussing improper fractions? Select all that apply. 1. Numerators are greater than or equal to their denominators. 2. Improper fractions contain both a whole number and a fraction. 3. The value of an improper fraction is greater than or equal to one. 4. Numerators are less than their denominators. 5. Improper fractions contain a numerator and denominator that are both divisible by the number two. ANS: 1, 3 Rationale: Improper fractions have numerators that are greater than or equal to their denominators. The value of an improper fraction is equal to or greater than one. Mixed fractions contain both a whole number and a fraction. Proper fractions have numerators that are less than their denominators. Divisibility by two does not affect whether a fraction is proper or improper. 5. Which of the following operations requires finding a common denominator before completing the equation? Select all that apply. 1. Adding fractions 2. Subtracting fractions 3. Multiplying fractions 4. Dividing fractions 5. Reducing reactions ANS: 1, 2 Rationale: Adding fractions requires finding a common denominator for the fractions, adding the numerators, and then reducing the result to the lowest terms. Subtracting fractions requires finding a common denominator for the fractions, subtracting the smaller fracti on from the larger one, and then reducing the result to the lowest terms. The other options do not require finding a common denominator. 6. Which of the following is true regarding mixed fractions? 1. The numerator is always greater than the denominator. 2. The value is always less than one. 3. It contains both a whole number and a fraction. 4. It contains a decimal point. ANS: 3 Rationale: Mixed fractions contain both whole numbers and fractions. (1) refers to improper fractions, (2) refers to proper fractions, and (4) is incorrect. 7. A fraction represents parts of a whole and is written with a numerator on top and a on bottom. ANS: denominator Rationale: A fraction represents parts of a whole and is written with a numerator on top and a denominator on bottom. 3 8. 2 + = 4 𝟑 ANS: 2 𝟒 Rationale: Convert 2 into a fraction with a common denominator by multiplying 2 × 4 = 8. Then add the numerators: 8 + 3 = 11 . To represent this as a mixed number, divide 11 ÷ 4 3 4 4 4 = 2, with 3 left over, or 2 . 4 5 3 9. + = 9 9 ANS: 𝟖 𝟗 5 3 8 Rationale: Add the numeratoTrsE: S9T+BA9N=KS9E. 3 1 10. 3 + = 8 4 𝟓 ANS: 3 𝟖 27 Rationale: First, convert the mixed number into an improper fraction: . Then find a 2 common denominator for the second number: 8. So, the second number is converted to . 8 27 2 29 Add the numerators: + = 8 8 5 8 . To represent this as a mixed number, divide 29 ÷ 8 = 3 with 5 left over, or 3 . 8 4 3 11. – = 5 5 ANS: 𝟏 𝟓 4 3 1 Rationale: Subtract the numerators: – = . 5 5 5 8 9 12. 3 1 – = 9 𝟖 ANS: 2 𝟗 Rationale: Find common denominator (9), make the conversion (3 × 9 = 27), and then 27 subtract the fractions: − 9 8 2, with 8 left over, or 2 . 9 1 26 = 9 9 . To represent this as a mixed fraction, divide 26 ÷ 9 = 7 3 13. × = 2 14 ANS: 𝟑 𝟒 7 × 3 21 3 Rationale: Multiply the numerators and denominators: = 2 × 14 . Reduce to . 28 4 4 1 14. 3 × = 5 3 𝟒 ANS: 1 𝟏𝟓 Rationale : Convert 3 4 5 19 × 1 L1E9 R.COM to an improper fraction 19 . Multiply the numerators and the 5 denominators: 5 × 3 4 left over, or 1 15 1 1 15. ÷ = 4 8 = . To represent this as a mixed number, divide 19 ÷ 15 = 1, with 4 15 ANS: 2 Rationale: First, find the reciprocal of the second fraction by flipping the numerator and 8 denominator: 1. Then multiply the numerators and denominators of the first fraction and the reciprocal of the second fraction: 1 × 8 = 8 . Reduce the resulting fraction to 2. 4 × 1 4 7 2 16. ÷ = 8 3 ANS: 𝟏 𝟓 𝟏𝟔 . Rationale: First, find the reciprocal of the second fraction by flipping the numerator and 3 denominator: 2. Then multiply the numerators and denominators of the first fraction and the reciprocal of the second fraction: 7 × 3 = 21 . To represent this as a mixed fraction, 8 × 2 16 5 divide 21 ÷ 16 = 1, with 5 left over, or 1 . 16 Fractions -7 Decimals and Percents CHAPTER 3 1. When changing a fraction to a percent, what does the student nurse do first? 1. Multiply the numerator by the denominator. 2. Divide the denominator by the numerator. 3. Multiply the product by 100. 4. Divide the numerator by the denominator. 2. When decimals are expressed as tenths, hundredths, or thousandths, this is known as which term? 1. Rounding 2. Place value 3. Divisor 4. Dividend 3. When instructed to round a decimal to the nearest tenth, which number is used in making the rounding decision? 1. The number to the left of the decimal point 2. The number to the left of the tenths place 3. The number to the right of the tenths place 4. The whole number in theTeEquSaTtiBonANKSE 4. When rounding a decimal to the hundredths place, the nursing student notes that the number in the thousandths place is 4. Which direction should the student round the number in the hundredths place? 1. Round up. 2. Round down. 3. No rounding is necessary if the number is less than 5. 4. Round to the nearest whole number. 5. What place value does the 7 hold in the number 548,268.74? 1. Hundreds 2. Tens 3. Tenths 4. Hundredths Round these decimals as indicated. 6. Round 74.8 to the nearest whole number. 7. Round 15.45 to the nearest tenth. 8. Round 583.134 to the nearest hundredth. Solve the following equations involving decimals. 9. 8.445 + 9.34 = 10. 9.736 – 6.2 = 11. 15.875 × 7.5 = 12. 15 ÷ 1.5 = Complete the conversions as indicated. 13. Convert 0.5 to a fraction. 14. Convert 0.875 to a fraction. 5 15. Convert 9 to a decimal. Round to the hundredths place. 16. Convert 0.2 to a percent. 4 17. Convert 5 to a percent. 3 18. Convert 10 to a percent. 19. Convert 40% to a fraction. 20. Convert 65% to a fraction. ANSWERS Decimals and Percents CHAPTER 3 1. When changing a fraction to a percent, what does the student nurse do first? 1. Multiply the numerator by the denominator. 2. Divide the denominator by the numerator. 3. Multiply the product by 100. 4. Divide the numerator by the denominator. ANS: 4 Rationale: When changing a fraction to a percent, the first calculation that must be done is to divide the numerator by the denominator. Next, the pr oduct of this calculation must be multiplied by 100 to determine the percent. 2. When decimals are expressed as tenths, hundredths, or thousandths, this is known as which term? 1. Rounding 2. Place value 3. Divisor 4. Dividend ANS: 2 Rationale: Decimals have plaTceEvSaTluBesA, NwKhiSchEaLrLe EexRp.reCssOeMd as tenths, hundredths, thousandths, and so on. 3. When instructed to round a decimal to the nearest tenth, which number is used in making the rounding decision? 1. The number to the left of the decimal point 2. The number to the left of the tenths place 3. The number to the right of the tenths place 4. The whole numb er in the equation ANS: 3 Rationale: Rounding numbers up or down depends on the number directly to the right of the target place value (in this question, the tenths place). 4. When rounding a decimal to the hundredths place, the nursing student notes that the number in the thousandths place is 4. Which direction should the student round the number in the hundredths place? 1. Round up. 2. Round down. 3. No rounding is necessary if the number is less than 5. 4. Round to the nearest whole number. ANS: B Rationale: If the number to the right of the target place value (in this case, the target place value is the hundredths place, because that is where the instructions stated to round) is less than 5, the target place value is rounded down. That means that the number in the target place value will not change. 5. What place value does the 7 hold in the number 548,268.74? 1. Hundreds 2. Tens 3. Tenths 4. Hundredths ANS: 3 Rationale: From left to right, the place values for the number 548,263.71 are hundred thousands (5), ten thousands (4), thousands (8), hundreds (2), tens (6), ones (3), tenths (7), hundredths (1). Round these decimals as indicated. 6. Round 74.8 to the nearest whole number. ANS: 75 Rationale: The eight (8) in the tenths place is greater than 5; therefore, the four (4) in the ones place would round up to five (5). 7. Round 15.45 to the nearest tenth. ANS: 15.5 Rationale: Rounding up is required because the number in the hundredths place (5) is greater than or equal to five (5). 8. Round 583.134 to the nearest hundredth. ANS: 583.13 Rationale: The number in the thousandths place (4) is less than five (5), so the hundredth place remains the same. Solve the following equations involving decimals. 9. 8.445 + 9.34 = ANS: 17.785 Rationale: 10. 9.736 – 6.2 = ANS: 3.536 Rationale: 11. 15.875 × 7.5 = ANS: 119.0625 Rationale: First, multiply the numbers without decimal points: Then count how many decimal places total are to the right of the decimal points in the original numbers: There are four in all. Insert the decimal point four places from the right: 119.0625. 12. 15 ÷ 1.5 = ANS: 10 Rationale: First, move the decimal point of each number one place to the right to make the divisor a whole number. 15 goes into 150 ten times : 10_ 15 ) 150 Complete the conversions as indicated. 13. Convert 0.5 to a fraction. 𝟏 ANS: 𝟐 Rationale: First, move the decimal point to make it a whole number (5). Then, put 5 in the numerator, and a 1 plus a zero in the denominator to represent the decimal moving one 5 1 place in the previous step: . Finally, reduce the fraction: . 10 2 14. Convert 0.875 to a fraction. 𝟕 ANS: 𝟖 Rationale: First, move the decimal point to make it a whole number (875). Then, put 875 in the numerator, and a 1 plus three zeros in the denominator to represent the decimal 875 7 moving three places in the previous step: . Finally, reduce the fraction: . 1000 8 5 15. Convert 9 to a decimal. Round to the hundredths place. ANS: 0.56 Rationale: Divide the numera tor by the denominator: 5 ÷ 9 = 0.55̅. Round to 0.56. 16. Convert 0.2 to a percent. ANS: 20% Rationale: Move the decimal point to the right two places: 0.2 = 20% . 4 17. Convert 5 to a percent. ANS: 80% Rationale: Divide the numerator by the denominator: 4 ÷ 5 = 0.8. Then move the decimal point two places to the right (multiply 0.8 × 100): 80%. 3 18. Convert 10 to a percent. ANS: 30% Rationale: Divide the numerator by the denominator: 3 ÷ 10 = 0.3. Then move the decimal point two places to the right (multiply 0.3 × 100): 30%. 19. Convert 40% to a fraction. 𝟐 ANS: 𝟓 40 Rationale: First, place 40 in the numerator and 100 in the denominator: 100. Then reduce to 2 lowest terms: . 5 20. Convert 65% to a fraction. 𝟏𝟑 ANS: 𝟐𝟎 65 Rationale: First, place 65 in the numerator and 100 in the denominator: 100. Then reduce to 13 lowest terms: . 20 Decimals & Percents -6 Dimensional Analysis CHAPTER 4 1. A nursing student has an order to administer 45 milligrams (mg) per kilogram (kg) for a child, but the student only knows the child’s weight in pounds (lb). The student knows that which of the following will need to be done as part of solving the problem in dimensional analysis? 1. Use a conversion factor. 2. Use pounds (lb) as the main unit of measure. 3. Give 45 mg of the medication to the child. 4. Start the problem with kilograms as the unit of measure for the answer. 2. Place the steps of dimensional analysis in the correct order. 1. Insert the given quantities. 2. Establish the answer’s unit of measure. 3. Critically evaluate the answer. 4. Calculate the answer. 5. Determine the necessary conversion factor. Calculate the following using dimensional analysis. 3. The baker is making apple pies for the county fair. The baker plans to make 14 pies, each requ iring 1 pound of sugar foTr EthSeTcoBrAreNcKt rSeEcipLeL. EHoRw.CmOanMy cups of sugar should the baker plan to buy to complete the baking project? (If rounding is needed, round to the nearest whole number.) cups 4. The gardener is adding fertilizer to water to encourage plant growth. The fertilizer label states, “Add 2 tablespoons of fertilizer to 1 gallon of water.” The gardener’s watering can holds 2 gallons of water, and he can only find his teaspoon for measuring . How many teaspoons will the gardener add to the watering can for the correct fertilizer dilution? teaspoons 5. A nursing student is taking a client’s pulse. The student counts the pulse for 30 seconds and got 35. What is the client’s pulse in beats per minute? beats/minute 6. A nursing student tracks steps taken at clinical for the day. The student has taken 15,862 steps according to a smartwatch. If there are 2,000 steps in 1 mile, how many miles has the student walked during the clinical rotation? Round to the nearest whole number. miles 7. A farmer has 52 cows that he must milk daily. If each cow produces, on average, 50 lb of milk per day, and 8 pounds of milk is 1 gallon of milk, how many gallons of milk will the farmer have after 3 days of milking? gallons 8. A swimmer does a full stroke every 1.5 seconds. He completes a 50 -meter race in 1 minute. How many full strokes did he make per meter? strokes/meter 9. A woman is on a weight -loss program and is tracking calorie intake and expenditure. For every 6 minutes she runs at 8 miles per hour, she can burn 300 calories. How many calories will she burn if she exercises for half an hour, keeping up the pace of 8 miles per hour? calories 10. A chef is adding a new dessert for his restaurant. For every 100 servings of the dessert, he will need a bag of flour. How many bags of flour will he need per week if he is open six nights per week for dinner, and he expects to serve dessert to 40 guests per night? bags of flour ANSWERS Dimensional Analysis CHAPTER 4 1. A nursing student has an order to administer 45 milligrams (mg) per kilogram (kg) for a child, but the student only knows the child’s weight in pounds (lb). The student knows that which of the following will need to be done as part of solving the problem in dimensional analysis? 1. Use a conversion factor. 2. Use pounds (lb) as the main unit of measure. 3. Give 45 mg of the medication to the child. 4. Start the problem with kilograms as the unit of measure for the answer. ANS: 1 Rationale: A conversion factor is used when there is a need to convert quantities between different systems of measurement, such as between pounds and kilograms. 2. Place the steps of dimensional analysis in the correct order. 1. Insert the given quantities. 2. Establish the answer’s unit of measure. 3. Critically evaluate the answer. 4. Calculate the answer. 5. Determine the necessar yTcoEnSvTerBsiAonNfKaSctEorL. LER.COM ANS: 2, 1, 5, 4, 3 Rationale: Dimensional analysis is a method of calculation that is particularly helpful in calculating medication dosages. Traditional methods of calculating dosages rely on memorizing formulas or performing multiple -step problems using ratio and proportion. By follo wing the established steps of dimensional analysis, complex and simple dosage calculations can be solved easily and accurately. Calculate the following using dimensional analysis. 3. The baker is making apple pies for the county fair. The baker plans to make 14 pies, each requiring 1 pound of sugar for the correct recipe. How many cups of sugar should the baker plan to buy to complete the baking project? (If rounding is needed, round t o the nearest whole number.) cups ANS: 28 Rationale: 1 cup cups = × 8 oz 16 oz × 1 lb 1 lb 1 pie = 28 cups 4. The gardener is adding fertilizer to water to encourage plant growth. The fertilizer label states, “Add 2 tablespoons of fertilizer to 1 gallon of water.” The gardener’s watering can holds 2 gallons of water, and he can only find his teaspoon for measuring. How many teaspoons will the gardener add to the watering can for the correct fertilizer dilution? teaspoons ANS: 12 Rationale: teaspoons = 3 teaspoons × 2 tablespoons × 2 gallons = 12 teaspoons 1 tablespoon 1 gallon 1 5. A nursing student is taking a client’s pulse. The student counts the pulse for 30 seconds and got 35. What is the client’s pulse in beats per minute? beats/minute ANS: 70 Rationale: beats = minute 35 beats 30 seconds 60 seconds × = 70 beats/minute 1 minute 6. A nursing student tracks steps taken at clinical for the day. The student has taken 15,862 steps according to a smartwatch. If there are 2,000 steps in 1 mile, how many miles has the student walked during the clinical rotation? Round to the nearest whole number. miles ANS: 8 Rationale: miles day = 1 mile 2,000 steps 1T5,E86S2TsBteApsNKSE × = 7.931 = 8 miles day 7. A farmer has 52 cows that he must milk daily. If each cow produces, on average, 50 lb of milk per day, and 8 pounds of milk is 1 gallon of milk, how many gallons of milk will the farmer have after 3 days of milking? gallons ANS: 975 Rationale: 1 gallon 50 lb 52 cows 7,800 gallons = × × × 3 days = = 975 gallons 8 lb cow day 8 8. A swimmer does a full stroke every 1.5 seconds. He completes a 50 -meter race in 1 minute. How many full strokes did he make per meter? strokes/meter ANS: 0.8 Rationale: strokes = meter 1 stroke 1.5 seconds × 60 seconds × 1 minute 1 minute 50 meters = 0.8 stroke/meter 9. A woman is on a weight -loss program and is tracking calorie intake and expenditure. For every 6 minutes, she runs at 8 miles per hour, she can burn 300 calories. How many calories will she burn if she exercises for half an hour, keeping up the pace of 8 miles per hour? calories ANS: 1,500 Rationale: 300 calories 60 minutes 9000 calories = × × 0.5 hour = = 1,500 calories 6 minutes hour 6 10. A chef is adding a new dessert for his restaurant. For every 100 servings of the dessert, he will need a bag of flour. How many bags of flour will he need per week, if he is open six nights per week for dinner, and he expects to serve dessert to 40 guests per night? bags of flour ANS: 2.4 Rationale: 1 bag flour bags of flour = × 4 0 servings × 6 nights = 24 0 = 2.4 bags of flour 100 servings night 100 Dimensional Analysis -5 Measurements and Equivalents CHAPTER 5 1. The metric system of measure is based on the power of: 1. 5 2. 10 3. 12 4. 20 2. Which of the following measurements are written correctly? Select all that apply. 1. 37 mcg 2. 42 g 3. 3 Ltr 4. 15 mg 5. 5ML 3. Which of the following measurements are written incorrectly? Select all that apply. 1. 16.3 kg 2. 5 mg 3. 0.004 L’s 4. 1.002 mcg 5. 3 mcgs 4. Which of the following measurements are written correctly? Select all that apply. 1. 40 mcg 2. 351.6 mL 3. 0.0001 kg 4. .2 mg 5. 5.0mg 5. Which of the following measurements is written incorrectly? 1. 14 kg 2. 231 mm 3. 90 cms 4. 0.6 mg 6. The correct abbreviation for gram is: 1. mg 2. grm 3. gm 4. g 7. What is the correct way to abbreviate 86 kilograms? 1. 86 kgs