#### Answer

$\dfrac{1}{7}$

#### Work Step by Step

The given expression, $
\sqrt{\dfrac{1}{49}}
,$ simplifies to
\begin{array}{l}\require{cancel}
\sqrt{ \left( \dfrac{1}{7} \right)^2}
\\\\=
\dfrac{1}{7}
.\end{array}

Published by
Pearson

ISBN 10:
0-13417-805-X

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

$\dfrac{1}{7}$

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