Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 7 - Exponents and Exponential Functions - Get Ready! - Page 415: 15

Answer

9

Work Step by Step

We follow the instructions to plug 2 in for a and 5 in for b, and then we use the order of operations to simplify. According to the order of operations, we simplify inside parentheses, then we simplify powers, then we multiply and divide, and finally, we add and subtract. When we do this, we find: $(2-5)^{2} = (-3)^{2}=9$
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