Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - R.2 Real Numbers and Their Properties - R.2 Exercises - Page 21: 84

Answer

$ 15$

Work Step by Step

$|-15|$ Because $-15$ is negative number, $|-15| = -(-15) = 15$
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