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 - 1.7 Multiplication and Division of Real Numbers - 1.7 Exercise Set: 117

Answer

$\dfrac{1}{10}$

Work Step by Step

The given expression, $ -\dfrac{3}{10}+\dfrac{2}{5} $, simplifies to \begin{array}{l}\require{cancel} -\dfrac{3}{10}+\dfrac{4}{10} \\\\= \dfrac{-3+4}{10} \\\\= \dfrac{1}{10} .\end{array}
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