Basic College Mathematics (10th Edition)

Published by Pearson
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Chapter 2 - Multiplying and Dividing Fractions - 2.8 Multiplying and Dividing Mixed Numbers - 2.8 Exercises - Page 178: 43

Answer

Estimate \$130,000,000 Exact \$182,000,000

Work Step by Step

$1 \frac{2}{5} \times 130,000,000$ Estimate Round fractions to the nearest whole number and multiply. $1 \times 130,000,000$ = 130,000,000 Exact Convert mixed numbers to improper fractions. $\frac{7}{5} \times \frac{130,000,000}{1}$ Reduce by the common factor of 5 and multiply. $\frac{7}{1} \times \frac{26,000,000}{1}$ = $\frac{182,000,000}{1}$ = 182,000,000
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