Math in Our World
Math in Our World
4th Edition
ISBN: 9781264357116
Author: sobecki
Publisher: MCG
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Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 …
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experime…
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Chapter 8.3, Problem 42E

For Exercises 31–46, convert each amount to the specified unit.

42. 64 pounds = __________ dekagrams

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Chapter 8 Solutions

Math in Our World

Ch. 8.1 - Prob. 1TTOCh. 8.1 - Convert 81 feet to yards.Ch. 8.1 - Prob. 3TTOCh. 8.1 - A football field is 100 yards long. How many...Ch. 8.1 - The speed of sound at sea level and room...Ch. 8.1 - Prob. 6TTOCh. 8.1 - Prob. 7TTOCh. 8.1 - Prob. 8TTOCh. 8.1 - Prob. 1ECh. 8.1 - Prob. 2E
Ch. 8.1 - Prob. 3ECh. 8.1 - Prob. 4ECh. 8.1 - Prob. 5ECh. 8.1 - Describe a good rule of thumb for relating inches...Ch. 8.1 - Prob. 7ECh. 8.1 - Writing Exercises 8. Describe the rules for...Ch. 8.1 - Prob. 9ECh. 8.1 - Prob. 10ECh. 8.1 - For Exercises 718, convert each using dimensional...Ch. 8.1 - Prob. 12ECh. 8.1 - Prob. 13ECh. 8.1 - Prob. 14ECh. 8.1 - Prob. 15ECh. 8.1 - Prob. 16ECh. 8.1 - Prob. 17ECh. 8.1 - Prob. 18ECh. 8.1 - Prob. 19ECh. 8.1 - Prob. 20ECh. 8.1 - Prob. 21ECh. 8.1 - Prob. 22ECh. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - Prob. 24ECh. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - Prob. 26ECh. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - Prob. 29ECh. 8.1 - Prob. 30ECh. 8.1 - Prob. 31ECh. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - Prob. 34ECh. 8.1 - Prob. 35ECh. 8.1 - Prob. 36ECh. 8.1 - Prob. 37ECh. 8.1 - Prob. 38ECh. 8.1 - Prob. 39ECh. 8.1 - Prob. 40ECh. 8.1 - Prob. 41ECh. 8.1 - Prob. 42ECh. 8.1 - Prob. 43ECh. 8.1 - Prob. 44ECh. 8.1 - Prob. 45ECh. 8.1 - Prob. 46ECh. 8.1 - Prob. 47ECh. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - Prob. 49ECh. 8.1 - Prob. 50ECh. 8.1 - For Exercises 1958, convert each measurement to...Ch. 8.1 - Prob. 52ECh. 8.1 - Prob. 53ECh. 8.1 - Prob. 54ECh. 8.1 - Prob. 55ECh. 8.1 - Prob. 56ECh. 8.1 - Prob. 57ECh. 8.1 - Prob. 58ECh. 8.1 - Prob. 59ECh. 8.1 - Prob. 60ECh. 8.1 - Prob. 61ECh. 8.1 - A professional basketball court is 94 feet long....Ch. 8.1 - Prob. 63ECh. 8.1 - Prob. 64ECh. 8.1 - Prob. 65ECh. 8.1 - Prob. 66ECh. 8.1 - Prob. 67ECh. 8.1 - What are the dimensions of a 6 dm by 5 dm piece of...Ch. 8.1 - Prob. 69ECh. 8.1 - If a millipede has 1,000 legs, how many legs would...Ch. 8.1 - Prob. 71ECh. 8.1 - Prob. 72ECh. 8.1 - Prob. 73ECh. 8.1 - Prob. 74ECh. 8.1 - Prob. 75ECh. 8.1 - Prob. 76ECh. 8.1 - Prob. 77ECh. 8.1 - Prob. 78ECh. 8.1 - Prob. 80ECh. 8.1 - Prob. 81ECh. 8.1 - Prob. 82ECh. 8.1 - A college is building a new basketball court that...Ch. 8.1 - If three servings of ice cream have 20 grams of...Ch. 8.1 - Prob. 85ECh. 8.1 - The campus fitness center is installing an...Ch. 8.1 - Prob. 87ECh. 8.1 - Prob. 88ECh. 8.1 - Prob. 89ECh. 8.1 - Prob. 90ECh. 8.1 - Prob. 91ECh. 8.1 - Prob. 92ECh. 8.1 - Prob. 93ECh. 8.1 - Prob. 94ECh. 8.1 - Prob. 95ECh. 8.1 - Prob. 96ECh. 8.1 - Prob. 97ECh. 8.1 - Prob. 98ECh. 8.1 - Prob. 99ECh. 8.1 - In Problems 95104, decide what units in both the...Ch. 8.1 - Prob. 101ECh. 8.1 - Prob. 102ECh. 8.1 - In Problems 95104, decide what units in both the...Ch. 8.1 - In Problems 95104, decide what units in both the...Ch. 8.1 - Prob. 105ECh. 8.1 - Prob. 106ECh. 8.1 - Prob. 107ECh. 8.1 - Prob. 108ECh. 8.1 - Prob. 109ECh. 8.1 - What units would 7,000 cm have to be converted to...Ch. 8.1 - Prob. 111ECh. 8.2 - Prob. 1TTOCh. 8.2 - A 32-in. wide-screen TV has screen area 3.05 ft2....Ch. 8.2 - Prob. 3TTOCh. 8.2 - Prob. 4TTOCh. 8.2 - Fussy University prohibits any displays on...Ch. 8.2 - Prob. 6TTOCh. 8.2 - Prob. 7TTOCh. 8.2 - Prob. 8TTOCh. 8.2 - Prob. 9TTOCh. 8.2 - Prob. 10TTOCh. 8.2 - 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Prob. 46ECh. 8.2 - Prob. 47ECh. 8.2 - Prob. 48ECh. 8.2 - Prob. 49ECh. 8.2 - Prob. 50ECh. 8.2 - Prob. 51ECh. 8.2 - Prob. 52ECh. 8.2 - Prob. 53ECh. 8.2 - Prob. 54ECh. 8.2 - Prob. 55ECh. 8.2 - Prob. 56ECh. 8.2 - Prob. 57ECh. 8.2 - Prob. 58ECh. 8.2 - Prob. 59ECh. 8.2 - Prob. 60ECh. 8.2 - Prob. 61ECh. 8.2 - Prob. 62ECh. 8.2 - Prob. 63ECh. 8.2 - Prob. 64ECh. 8.2 - Prob. 65ECh. 8.2 - Prob. 66ECh. 8.2 - Prob. 67ECh. 8.2 - Prob. 68ECh. 8.2 - Prob. 69ECh. 8.2 - Jose has a 15-m2 garden and plans to buy some...Ch. 8.2 - Dan wants to pour a concrete patio in his...Ch. 8.2 - Chloe drank two 20-oz bottles of Diet Pepsi while...Ch. 8.2 - Prob. 73ECh. 8.2 - Prob. 74ECh. 8.2 - Prob. 75ECh. 8.2 - Prob. 76ECh. 8.2 - Prob. 77ECh. 8.2 - Prob. 78ECh. 8.2 - Five cubic feet of seawater have flooded into a...Ch. 8.2 - Prob. 80ECh. 8.2 - Prob. 81ECh. 8.2 - Prob. 82ECh. 8.2 - A search party covered 6 square miles of territory...Ch. 8.2 - A Jacuzzi was filled with 200 gallons of water....Ch. 8.2 - Prob. 85ECh. 8.2 - 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For Exercises 716, convert to the indicated unit....Ch. 8.3 - For Exercises 716, convert to the indicated unit....Ch. 8.3 - For Exercises 716, convert to the indicated unit....Ch. 8.3 - Prob. 11ECh. 8.3 - Prob. 12ECh. 8.3 - Prob. 13ECh. 8.3 - Prob. 14ECh. 8.3 - For Exercises 716, convert to the indicated unit....Ch. 8.3 - For Exercises 716, convert to the indicated unit....Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - For Exercises 1730, convert each metric weight to...Ch. 8.3 - 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Prob. 74ECh. 8.3 - Prob. 75ECh. 8.3 - While building a new playground at the city...Ch. 8.3 - Prob. 77ECh. 8.3 - During a dinner at Outback Steakhouse, a family of...Ch. 8.3 - An elevator says the maximum capacity is 1,000 kg....Ch. 8.3 - Prob. 80ECh. 8.3 - If the temperature goes down by 7 degrees Celsius...Ch. 8.3 - Between 8 A.M. and noon, the temperature rose by...Ch. 8.3 - Prob. 83ECh. 8.3 - A 1.7-ton truck crosses the border into Canada....Ch. 8.3 - Prob. 85ECh. 8.3 - Prob. 86ECh. 8.3 - Prob. 87ECh. 8.3 - 88. According to the Guinness Book of World...Ch. 8.3 - Prob. 89ECh. 8.3 - In Exercises 90–93, which would be the most...Ch. 8.3 - Prob. 91ECh. 8.3 - In Exercises 90–93, which would be the most...Ch. 8.3 - In Exercises 90–93, which would be the most...Ch. 8.3 - Prob. 94ECh. 8.3 - (a) The bar graph shows the average monthly high...Ch. 8.3 - Australia is one of the worlds leading producers...Ch. 8.3 - Prob. 101ECh. 8.3 - Prob. 102ECh. 8.3 - Prob. 103ECh. 8.3 - Prob. 104ECh. 8.3 - Prob. 105ECh. 8 - For Exercises 116, convert each of the following...Ch. 8 - Prob. 2RECh. 8 - Prob. 3RECh. 8 - Prob. 4RECh. 8 - Prob. 5RECh. 8 - Prob. 6RECh. 8 - Prob. 7RECh. 8 - Prob. 8RECh. 8 - Prob. 9RECh. 8 - Prob. 10RECh. 8 - Prob. 11RECh. 8 - Prob. 12RECh. 8 - Prob. 13RECh. 8 - Prob. 14RECh. 8 - Prob. 15RECh. 8 - For Exercises 116, convert each of the following...Ch. 8 - Prob. 17RECh. 8 - Prob. 18RECh. 8 - Prob. 19RECh. 8 - Prob. 20RECh. 8 - Prob. 21RECh. 8 - Prob. 22RECh. 8 - Prob. 23RECh. 8 - Prob. 24RECh. 8 - Prob. 25RECh. 8 - Prob. 26RECh. 8 - Prob. 27RECh. 8 - Prob. 28RECh. 8 - Prob. 29RECh. 8 - Prob. 30RECh. 8 - Prob. 31RECh. 8 - Prob. 32RECh. 8 - For Exercises 2341, convert each of the following...Ch. 8 - Prob. 34RECh. 8 - Prob. 35RECh. 8 - Prob. 36RECh. 8 - Prob. 37RECh. 8 - Prob. 38RECh. 8 - Prob. 39RECh. 8 - Prob. 40RECh. 8 - Prob. 41RECh. 8 - Prob. 42RECh. 8 - Prob. 43RECh. 8 - Prob. 44RECh. 8 - Prob. 45RECh. 8 - Prob. 46RECh. 8 - Prob. 47RECh. 8 - Prob. 48RECh. 8 - Prob. 49RECh. 8 - Prob. 50RECh. 8 - Prob. 51RECh. 8 - Prob. 52RECh. 8 - Prob. 53RECh. 8 - Prob. 54RECh. 8 - Prob. 55RECh. 8 - Prob. 56RECh. 8 - Prob. 57RECh. 8 - Prob. 58RECh. 8 - Prob. 59RECh. 8 - Prob. 60RECh. 8 - For Exercises 4962, convert each of the following...Ch. 8 - Prob. 62RECh. 8 - Prob. 63RECh. 8 - Prob. 64RECh. 8 - Prob. 65RECh. 8 - Prob. 66RECh. 8 - Prob. 67RECh. 8 - Prob. 68RECh. 8 - How many pounds is a baby who weighs 3,200 g?Ch. 8 - Heinrichs temperature is 38.5C. A person is...Ch. 8 - Prob. 71RECh. 8 - Prob. 72RECh. 8 - Prob. 73RECh. 8 - Prob. 1CTCh. 8 - Prob. 2CTCh. 8 - Prob. 3CTCh. 8 - Prob. 4CTCh. 8 - Prob. 5CTCh. 8 - Prob. 6CTCh. 8 - Prob. 7CTCh. 8 - Prob. 8CTCh. 8 - Prob. 9CTCh. 8 - Prob. 10CTCh. 8 - Prob. 11CTCh. 8 - For Exercises 121, convert each of the following:...Ch. 8 - Prob. 13CTCh. 8 - Prob. 14CTCh. 8 - Prob. 15CTCh. 8 - Prob. 16CTCh. 8 - Prob. 17CTCh. 8 - Prob. 18CTCh. 8 - Prob. 19CTCh. 8 - Prob. 20CTCh. 8 - Prob. 21CTCh. 8 - Prob. 22CTCh. 8 - If a runner averages 5.9 feet per second, how long...Ch. 8 - Prob. 24CTCh. 8 - Prob. 25CTCh. 8 - Prob. 26CTCh. 8 - Prob. 27CTCh. 8 - Prob. 28CTCh. 8 - Prob. 29CTCh. 8 - Prob. 30CTCh. 8 - A young family is looking to buy a house and...Ch. 8 - Prob. 32CTCh. 8 - Prob. 33CT
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