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 R - Elementary Algebra Review - R.1 Introduction to Algebraic Expressions - R.1 Exercise Set: 48

Answer

$-55$

Work Step by Step

Using the order of operations on real numbers, the given expression, $ -7-(8+10\cdot2^2) ,$ evaluates to \begin{array}{l}\require{cancel} -7-(8+10\cdot4) \\\\= -7-(8+40) \\\\= -7-(48) \\\\= -7-48 \\\\= -55 .\end{array}
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