Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - Chapters 1-2 Cumulative Review Problem Set - Page 91: 16



Work Step by Step

We substitute $x=0.1$ and $y=0.3$ into the expression: $0.2x-0.3y+2xy$ =$0.2(0.1)-0.3(0.3)+2(0.1)(0.3)$ =$0.02-0.09+2(0.03)$ =$0.02-0.09+0.06$ =$-0.07+0.06$ =$-0.01$
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