Answer
$4x^4$
Work Step by Step
Remember that the index is the denominator of the exponent.
If an additional number or variable is enclosed in parentheses with the base, it also becomes a part of the base.
$(16x^8)^{1/2}$
$\sqrt{16x^8}$
$4x^4$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 10 - Section 10.2 - Rational Exponents - Exercise Set - Page 693: 12
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