Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Section 4.7 - Operations on Mixed Numbers - Exercise Set: 15

Answer

Exact: $23\frac{31}{35}$ Estimate: $24$

Work Step by Step

Exact: $3\frac{4}{5}\times6\frac{2}{7}$ $=\frac{19}{5}\times\frac{44}{7}$ $=\frac{836}{35}$ $=23\frac{31}{35}$ Estimate: $3\frac{4}{5}\times6\frac{2}{7}$ $\approx4\times6$ $=24$
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