Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 4 - Decimals - Review Exercises - Page 322: 32

Answer

Answer: Estimate = 426 Final = 444.86

Work Step by Step

Using front end rounding let's first round off the each number 5.81 (rounds to) 6 423.96 (rounds to) 400 15.09 (rounds to) 20 Now we find estimate 6 + 400 + 20 ______ 426 Now we find the exact answer 1 1 1 5.81 + 423.96 + 15.09 _______ 444.86
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