#### Answer

$0.8$

#### Work Step by Step

The given expression, $
\sqrt{0.64}
,$ simplifies to
\begin{array}{l}\require{cancel}
\sqrt{ (0.8)^2}
\\\\=
0.8
.\end{array}

Published by
Pearson

ISBN 10:
0-13417-805-X

ISBN 13:
978-0-13417-805-9

$0.8$

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