Answer
$4$
Work Step by Step
Substituting $s=4$ and $t=8$, the given expression, $
(st)^2\div(st^2)
,$ evaluates to
\begin{array}{l}\require{cancel}
(4\cdot8)^2\div(4\cdot8^2)
\\\\=
(32)^2\div(4\cdot64)
\\\\=
1024\div256
\\\\=
4
.\end{array}
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 1 - Foundations for Algebra - 1-2 Order of Operations and Evaluating Expressions - Practice and Problem-Solving Exercises - Page 13: 27
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