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: 68



Work Step by Step

Using order of operations, the given expression, $ \dfrac{(-5)^2-3\cdot5}{3^2+4\cdot|6-7|\cdot(-1)^5} $, evaluates to \begin{array}{l} \dfrac{25-15}{9+4\cdot|-1|\cdot(-1)} \\\\= \dfrac{10}{9+4\cdot1\cdot(-1)} \\\\= \dfrac{10}{9-4} \\\\= \dfrac{10}{5} \\\\= 2 .\end{array}
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