Answer
33
Work Step by Step
First do the square root, then multiply, then subtract.
7 * $\sqrt 81$ - 5 * 6 = 7 * 9 - 5 * 6 = 63 - 30 = 33
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 80: 53
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