Basic College Mathematics (9th Edition)

by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.

Published by Pearson

ISBN 10: 0321825535

ISBN 13: 978-0-32182-553-7

Chapter 9 - Basic Algebra - 9.4 Order of Operations - 9.4 Exercises - Page 656: 52

Answer

2.665

Work Step by Step

$(0.3)^3(-5)-(-2.8)\longrightarrow$ Solve exponents. =$0.027(-5)-(-2.8)\longrightarrow$ Solve multiplication. =$-0.135-(-2.8)\longrightarrow$ Change subtraction of a negative to the additive inverse. =$-0.135+2.8\longrightarrow$ Solve. =2.665

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