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 - Review Exercises - Page 322: 40

Answer

Estimate: $6 \times 4$ = 24 Exact: 22.7106

Work Step by Step

$6.138 \times 3.7$ First Let's find Estimate: 6.138 (rounds to) 6 3.7 (rounds to) 4 So, $6.138 \times 3.7$ = $6 \times 4$ = 24 Now, Let's find Exact: 6.138 $\times$ 3.7 ______ 42,966 + 184,14 ______ 22.7106 (4 decimals point in product)

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