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: 150; exact: 127.72
B. Estimate: 15; exact: 12.772
C. Estimate: 150; exact: 126.72
D. Estimate: 15; exact: 12.672


Answer: C

Mathematics

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Mathematics