Algebra 1: Common Core (15th Edition)

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

Chapter 1 - Foundations for Algebra - 1-6 Multiplying and Dividing Real Numbers - Practice and Problem-Solving Exercises - Page 42: 21

Answer

13

Work Step by Step

$\sqrt 169$ means that we are supposed to find what number times itself equals 169. We recall that 13 times 13 is 169, so $\sqrt 169=13. $
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