#### Answer

$7^{\frac{2}{3}}$

#### Work Step by Step

RECALL:
$\sqrt[n]{a^m} = a^{\frac{m}{n}}$
Use the rule above, where m=2 and n=3, to obtain:
$=7^{\frac{2}{3}}$

Published by
Brooks Cole

ISBN 10:
1305115546

ISBN 13:
978-1-30511-554-5

$7^{\frac{2}{3}}$

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