To estimate the product of 425.3 and 9.7 by rounding each number to the nearest whole number:
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Round 425.3 to the nearest whole number:
- 425.3 rounds to 425.
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Round 9.7 to the nearest whole number:
- 9.7 rounds to 10.
Now, we multiply the rounded numbers:
\[ 425 \times 10 = 4250 \]
Thus, the estimated product of 425.3 and 9.7 is 4250.