#### Answer

$0$

#### Work Step by Step

Using order of operations, the given expression, $
\sqrt{25}-5(-1)^2
,$ simplifies to
\begin{array}{l}\require{cancel}
5-5(1)
\\\\=
5-5
\\\\=
0
.\end{array}

Published by
Pearson

ISBN 10:
0321969359

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

$0$

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