Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 1 - Section 1.5 - Subtracting Real Numbers - Practice: 7

Answer

a.$-24$ b.$-3$

Work Step by Step

Follow the order of operations, "Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction". a.$-9+[(-4-1)-10] =-9+(-5-10)=-9-15=-24$ b.$5^{2}-20+[-11-(-3)] = 25-20-8=5-8=-3$
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