Answer
13
Work Step by Step
We recall that 13 to the second power is 13$\times$13, which equals 169. Thus, we find:
$\sqrt {169} = \sqrt {13 \times 13} =\sqrt {13^{2}}=13$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 1 - Foundations for Algebra - 1-6 Multiplying and Dividing Real Numbers - Practice and Problem-Solving Exercises - Page 42: 21
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