#### Answer

3

#### Work Step by Step

The absolute value of a number $a$ is equal to $a$ if $a\geq0$ and is equal to $-a$ if $a\lt0$.
$-10\lt0$ and $-7\lt0$
Therefore, $|-10|-|-7|=10-7=3$.

Published by
Pearson

ISBN 10:
0321969359

ISBN 13:
978-0-32196-935-4

3

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