Answer
38
Work Step by Step
First do the square roots, then multiply, then subtract.
10 * \sqrt 49 - 4 * \sqrt 64 = 10 * 7 - 4 * 8 = 70 - 32 = 38
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapter 1 - Whole Numbers - 1.8 Exponents, Roots, and Order of Operations - 1.8 Exercises - Page 81: 82
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