## Basic College Mathematics (10th Edition)

Published by Pearson

# Chapter 2 - Multiplying and Dividing Fractions - 2.8 Multiplying and Dividing Mixed Numbers - 2.8 Exercises - Page 175: 9

#### Answer

Estimate: $3$ Exact: $4$

#### Work Step by Step

Estimate: Round the numbers to 3 and 1 and multiply. Exact: Turn numbers into improper fractions: $\frac{28}{9}, \frac{9}{7}$ multiply: $\frac{28}{9}\times\frac{9}{7} = \frac{28}{7}$ Convert to a mixed (or whole) number: $4$

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