Basic College Mathematics (10th Edition)

by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.

Published by Pearson

ISBN 10: 0134467795

ISBN 13: 978-0-13446-779-5

Chapter 1 - Whole Numbers - 1.8 Exponents, Roots, and Order of Operations - 1.8 Exercises - Page 80: 57

Answer

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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