Answer
15
Work Step by Step
We first simplify the exponents in the parenthesis, then we simplify what's in the parenthesis. We have $(40+24)\div(8-2^{2})-1=(40+24)\div(8-4)-1=64\div4-1=16-1=15$.
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 1 - Expressions, Equations, and Inequalities - 1-2 Properties of Real Numbers - Practice and Problem-Solving Exercises - Page 17: 83
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