Use front-end rounding to round each number. Then, multiply the rounded numbers to get an estimated answer. Finally, find the exact answer.estimateexact
?
A. Estimate: 80; exact: 9981.27
B. Estimate: 800; exact: 998.127
C. Estimate: 810; exact: 997.127
D. Estimate: 80; exact: 99.8127
Answer: B
Mathematics
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