Elementary Algebra

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

Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.5 - Use of Properties - Problem Set 1.5 - Page 34: 81


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Work Step by Step

In order to do this, it is important to indicate correct order of operations so that the calculator does not make a mistake. (For instance, when two numbers are being added in the numerator of a fraction, parentheses need to be put around those numbers so that the calculator adds the two numbers before dividing by the denominator of the fraction.) Thus, simply copying the expressions into the calculator may lead to mistakes.
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