Answer
274,657
Work Step by Step
$x^4-y^2$ $\longrightarrow$ substitute given values
$23^4-72^2$ $\longrightarrow$ resolve exponents
$279841-5184$ $\longrightarrow$ subtract
$274657$
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 83: 89
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