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Estimate the product. Round each factor to the nearest whole number, then multiply. $\newline$ $9\frac{1}{5}$ $\times$ $4\frac{4}{5}$ $\newline$ The product is approximately $\_\_$ .

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Estimate products of decimal numbers

Full solution

Q. Estimate the product. Round each factor to the nearest whole number, then multiply.

\newline

9\frac{1}{5}

\times

4\frac{4}{5}

\newline

The product is approximately

\_\_

.

Round Factors: Round each factor to the nearest whole number. $9\frac{1}{5}$ rounds to $9$ (since $\frac{1}{5}$ is less than $\frac{1}{2}$ ). $4\frac{4}{5}$ rounds to $5$ (since $\frac{4}{5}$ is more than $\frac{1}{2}$ ).
Multiply Rounded Numbers: Multiply the rounded numbers. $\newline$ $9 \times 5 = 45$

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