Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.estimate exact
A. Estimate: 13.6; exact: 13.6833
B. Estimate: 13.6; exact: 13.6930
C. Estimate: 13.5; exact: 13.6833
D. Estimate: 13.5; exact: 13.5930
Answer: B
Mathematics
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Mathematics