Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Test - Page 111: 9



Work Step by Step

RECALL: The order of operations follows the PEMDAS rule. First Priority: P - Parentheses Second Priority: E - Exponents Third Priority: M/D - Multiplication or division, whichever comes first from the left Fourth Priority: A/S - Addition or subtraction, whichever comes first from the left Simplify within the parentheses to obtain: $=(-2)^2(-2)^3$ Apply the exponents to obtain: $=[-2(-2)] \cdot [-2(-2)(-2)]$ Multiply two numbers at a time to obtain: $\\=4 \cdot (4)(-2)) \\=4 \cdot (-8) \\=-32$
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