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Estimate 203 x 739 by first rounding each number so that it has only 1 nonzero digit.

1 Answer

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Given the product:


203\cdot739

Rounding these numbers to only one non-zero digit:


\begin{gathered} 203\approx200 \\ 739\approx700 \end{gathered}

Then, the estimation of the product is:


203\cdot739\approx200\cdot700=140000

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