Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 4 - Decimals - Review Exercises - Page 322: 34

Answer

Answer: Estimate: 280 Final: 290.7

Work Step by Step

Using front end rounding let's first round off the each number 308.5 (rounds to) 300 17.8 (rounds to) 20 Now we find estimate 210 300 - 20 ______ 280 Now we find the exact answer 2107 10 + 308.5 + 17.8 ________ 290.7
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