Answer
See the explanation below.
Work Step by Step
Since, $p^{\frac{m}{n}}=\sqrt[n] {p^m}$
Here, $n$ signifies the index of the radical $a$ and $m$ signifies the base or power of the exponent.
Thus, $2^{\frac{2}{3}}=\sqrt[3] {2^2}$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 7 - Section 7.2 - Rational Exponents - Exercise Set - Page 524: 136
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