Q. Estimate the product. Round the mixed number to the nearest whole number, then multiply.643×10The product is approximately .
Round to Nearest Whole Number: Step 1: Round the mixed number 643 to the nearest whole number. Since 43 is closer to 1 than to 0, we round 643 up to 7.
Multiply by 10: Step 2: Multiply the rounded number by 10. Calculation: 7×10=70.
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