Answer
$13$
Work Step by Step
Using $a^{m/n}=\sqrt[n]{a^m}=(\sqrt[n]{a})^m$ the given expression, $
169^{1/2}
,$ simplifies to
\begin{array}{l}\require{cancel}
\sqrt{169^1}
\\\\=
\sqrt{169}
\\\\=
\sqrt{(13)^2}
\\\\=
13
.\end{array}
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Section R.6 - Rational Exponents - R.6 Exercises - Page 56: 39
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