Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 9 - Basic Algebra - 9.4 Order of Operations - 9.4 Exercises: 9

Answer

-39

Work Step by Step

Step 1 : Apply the exponents : 〖(7)〗^2 = 7 * 7 = 49 10 – (49) Step 2: Change subtraction to addition 10 + (-49) = -39
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