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 - Review Exercises: Chapter 1 - Page 77: 74



Work Step by Step

Using the order of operations and the definition of absolute value, the given expression, $ (|2.7-3|+3^2-|-3|)\div(-3) ,$ is equivalent to \begin{array}{l}\require{cancel} (|2.7-3|+3^2-|-3|)\div(-3) \\\\= (|2.7-3|+9-|-3|)\div(-3) \\\\= (|-0.3|+9-|-3|)\div(-3) \\\\= (0.3+9-(3))\div(-3) \\\\= (0.3+9-3)\div(-3) \\\\= (6.3)\div(-3) \\\\= -2.1 .\end{array}
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