#### Answer

$(\sqrt[3] 7)^{2}$

#### Work Step by Step

We know that $a^{\frac{m}{n}}=\sqrt[n] a^{m}=\sqrt[n] (a)^{m}$, where all indicated roots are real numbers.
Therefore, $7^{\frac{2}{3}}=\sqrt[3] (7^{2})=(\sqrt[3] 7)^{2}$.

Published by
Pearson

ISBN 10:
0321969359

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

$(\sqrt[3] 7)^{2}$

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