Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 1 - Section 1.10 - Addition and Subtraction of Decimal Fractions - Exercises: 43

Answer

$8.68$

Work Step by Step

Perform the subtraction first: \begin{array}{ccc} \require{cancel} & & &\space 7\space3 \\&&&1\cancel{8}.\cancel{4}0 \\&- & &\underline{13.72} \\&&&04.68 \end{array} Add $4$ to the result to obtain: $=4.68 + 4 \\=8.68$
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