Answer
$28$
Work Step by Step
The instructions say to use a calculator to evaluate the given radical.
Use a calculator's square root button to obtain:
$\sqrt{784} = 28$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 9 - Roots and Radicals - 9.1 - Roots and Radicals - Problem Set 9.1 - Page 401: 31
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