Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 8 - Section 8.6 - Rational Exponents - Exercise Set: 13

Answer

$\frac{1}{3}$

Work Step by Step

RECALL: (i) $a^{\frac{1}{2}}=\sqrt{a}$ (ii) $\sqrt{a^2}=|a|$ Use rule (i) above to obtain: $=\sqrt{\frac{1}{9}}$ Write $\frac{1}{9}$ as $(\frac{1}{3^2})$: $=\sqrt{(\frac{1}{3})^2}$ Use rule (ii) above to obtain: $=|\frac{1}{3}| \\=\frac{1}{3}$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.