Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Skills Handbook - Using Estimation - Exercises - Page 788: 4

Answer

350

Work Step by Step

We estimate this value by rounding every number to the nearest ten, and then we subtract. Thus, we obtain: $820-470=350$
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