Answer
6
Work Step by Step
Use the rule for Simplifying Square Roots with Variables to Even Powers.
Half of 12 is 6, so $\sqrt {x^{12}}=x^6$.
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 8 - Section 8.2 - Multiplying and Dividing Radicals - Concept and Vocabulary Check - Page 585: 4
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