College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.2 - Real Numbers - P.2 Exercises - Page 17: 93

Answer

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Work Step by Step

Natural numbers are used for counting. Hence, it is used every day for monitoring the inventory of stocks and counting tangible items around us. Integers contain both positive and negative numbers. It is best to use integers in measuring temperatures and creating a chart for yearly economic growth. Rational numbers are fractions or ratios. They are observed in dividing pizzas and comparing the quantity of two or more objects from one another. Irrational numbers are numbers that cannot be expressed as fractions or ratios. This type of real number is observed in situations involving the interest rates of a value and the curvature of an architectural building.
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