Answer
1
Work Step by Step
$(xz-5)^4$ $\longrightarrow$ substitute
=$(2(3)-5)^4$ $\longrightarrow$ solve expression in parenthesis
=$(6-5)^4$
=$1^4$$\longrightarrow$ solve exponent
=$1$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 1 - Section 1.8 - Introduction to Variables, Algebraic Expressions, and Equations - Exercise Set - Page 81: 36
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