Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 2 - Multiplying and Dividing Fractions - 2.8 Multiplying and Dividing Mixed Numbers - 2.8 Exercises - Page 175: 5

Answer

Estimate: $10$ Exact: $7\frac{7}{8}$

Work Step by Step

Estimate: Round the numbers to 5 and 2 and multiply. Exact: Turn numbers into improper fractions: $\frac{9}{2}, \frac{7}{4}$ multiply: $\frac{9}{2}\times\frac{7}{4} = \frac{63}{8}$ Convert to a mixed number: $7\frac{7}{8}$
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