Answer
$7n$
Work Step by Step
To raise a power to a power, we simply multiply the exponents. Therefore, $$7(n^\frac{1}{2})^2=7n^{\frac{1}{2}\times2}=7n$$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 8 - Polynomials and Factoring - Get Ready! - Page 483: 21
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