Answer
Estimate 21
Exact 19.24165
Work Step by Step
Estimate $(3)(7) = 21$
Exact $(2.809)(6.85)=19.24165$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 4 - Decimals - 4.4 Multiplying Decimal Numbers - 4.4 Exercises - Page 292: 29
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