Answer
The radical form of $2^{\frac{2}{3}}$ is $^{5}\sqrt 3^{4}$.
Work Step by Step
By the formula provided on page 13:
$2^{\frac{2}{3}}$ = $^{5}\sqrt 3^{4}$.
Therefore, the radical form of $2^{\frac{2}{3}}$ is $^{5}\sqrt 3^{4}$.
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