Algebra 1: Common Core (15th Edition)

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



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}
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