Answer
$7^{\frac{1}{2}}$
Work Step by Step
RECALL:
$\sqrt[n]{a}=a^{\frac{1}{n}}$
The given expression involves a square root, so $n=2$.
Thus,
$\sqrt{7}=7^{\frac{1}{2}}$
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 521: 21
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