#### Answer

$|a|$

#### Work Step by Step

RECALL:
For any real number $a$, $\sqrt{a^2} = |a|$.
Thus,
$\sqrt{a^2} = |a|.$

Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

$|a|$

RECALL:
For any real number $a$, $\sqrt{a^2} = |a|$.
Thus,
$\sqrt{a^2} = |a|.$

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