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 9 - Basic Algebra - 9.4 Order of Operations - 9.4 Exercises - Page 653: 29

Answer

Work Step by Step

Step 1: Check for parentheses. None Step 2: Apply the exponent $(-3)^{2}$ = -3 * -3 = 9 2 – (-5)9 Step 3: Multiplication and division from left to right (-5) * 9 = -45 Step 4: 2 – (-45) = 47 to separate a negative number from a minus sign

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