Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Skills Handbook - Using Extimation - Exercises: 4

Answer

$350

Work Step by Step

We round each number to the nearest 10 dollars. Recall, we round any digit from 5 to 9 up and any digit from 1 to 4 down. Thus, we round to get: $820-470=350$.
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