#### Answer

$-4$

#### Work Step by Step

Recall, square roots cancel out exponents of two. Thus, we obtain:
$-\sqrt{16} = -\sqrt{4^2}=-4$

Published by
Pearson

ISBN 10:
0-13417-894-7

ISBN 13:
978-0-13417-894-3

$-4$

Recall, square roots cancel out exponents of two. Thus, we obtain:
$-\sqrt{16} = -\sqrt{4^2}=-4$

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