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: 57

Answer

7

Work Step by Step

First do parentheses, then square root, then multiply, then subtract. 4 * \sqrt 49 - 7(5 - 2) = 4 * \sqrt 49 - 7(3) = 4 * 7 - 7(3) = 28 - 21 = 7
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