Answer
30
Work Step by Step
The square root symbol means that we are trying to find what squared equals the number inside of the square root. 30 times 30 is 900, so $\sqrt 900$ equals 30.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 1 - Foundations for Algebra - 1-3 Real Numbers and the Number Line - Practice and Problem-Solving Exercises - Page 20: 12
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