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: $820-470=350$.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Skills Handbook - Using Extimation - Exercises - Page 800: 4
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