Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 4 - Decimals - Review Exercises - Page 322: 33


Estimate: $212$ Exact: $233.515$

Work Step by Step

We need to add: $75.6+1.29+122.045+0.88+33.7$ First, we estimate the answer by rounding: $80+1+100+1+30=212$ Next, we find the exact answer by using a calculator: $75.6+1.29+122.045+0.88+33.7=233.515$ We see that the answers are not too far apart.
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