Basic College Mathematics (10th Edition)

by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.

Published by Pearson

ISBN 10: 0134467795

ISBN 13: 978-0-13446-779-5

Chapter 9 - Basic Algebra - 9.1 Signed Numbers - 9.1 Exercises - Page 629: 28

Answer

Work Step by Step

The absolute value of a number is the distance between that number and 0 on the number line. Therefore, absolute value will always be positive, because distance can only be a positive measurement. $|9|=9$, because 9 is 9 spaces from 0 on the number line

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