Basic College Mathematics (10th Edition)

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

Published by Pearson

ISBN 10: 0134467795

ISBN 13: 978-0-13446-779-5

Chapter 1 - Whole Numbers - 1.10 Solving Application Problems - 1.10 Exercises - Page 97: 39

Answer

1254

Work Step by Step

We are asked to find an estimate and an exact value. To do this, we round each number until the problem is easy to solve in our head for the estimate. We then use the calculator to find the exact number. Doing this, we find: $$ =300+200+100+70+400+ 200 \\ 1270 $$ The exact number is: $$ =299+185+99+67+395+209 \\ 1254$$

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