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 4 - Polynomials - 4.7 Polynomials in Several Variables - 4.7 Exercise Set: 85

Answer

$6$

Work Step by Step

Using order of operations, the given expression, $ -16+20\div2^2\cdot5-3 ,$ simplifies to \begin{array}{l}\require{cancel} -16+20\div4\cdot5-3 \\\\= -16+5\cdot5-3 \\\\= -16+25-3 \\\\= 9-3 \\\\= 6 .\end{array}
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