Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter R - Section R.1 - Basic Concepts - R.1 Exercises - Page 11: 52

Answer

-12.4

Work Step by Step

The absolute value of a number $a$ is equal to $a$ if $a\geq0$ and is equal to $-a$ if $a\lt0$. $12.4\geq0$, so $|12.4|=12.4$ Therefore, $-|12.4|=-(12.4)=-12.4$.
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