Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - 1.8 Exponential Notation and Order of Operations - 1.8 Exercise Set - Page 66: 59

Answer

$1$

Work Step by Step

Using order of operations, the given expression, $ \dfrac{7+2}{5^2-4^2} $, evaluates to \begin{array}{l} \dfrac{9}{25-16} \\\\= \dfrac{9}{9} \\\\= 1 .\end{array}
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