Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 7 - Exponents and Exponential Functions - 7-5 Rational Exponents and Radicals - Practice and Problem-Solving Exercises - Page 450: 11

Answer

7

Work Step by Step

$\sqrt 49$.The square root of 49 is 7 or -7 because when you multiply each number by itself you get 49.
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