Basic College Mathematics (9th Edition)

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: 76

Answer

33

Work Step by Step

First do the square roots, then multiply, then subtract. 6 * \sqrt 81 - 3 * \sqrt 49 = 6 * 9 - 3 * 7 = 54 - 21 = 33
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