#### Answer

$(xy^3)^{\frac{1}{7}}$

#### Work Step by Step

RECALL:
$\sqrt[n]{a}=a^{\frac{1}{n}}$
For the given expression, $n=7$ and $a=xy^3$.
Thus,
$\sqrt[7]{xy^3}=(xy^3)^{\frac{1}{7}}$

Published by
Pearson

ISBN 10:
0-13417-894-7

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

$(xy^3)^{\frac{1}{7}}$

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