Use front end rounding to estimate the sum or difference. Then find the exact answer to the problemCarlos's grocery bill was $8.82. He gave the clerk a $20 bill. How much change should he receive?

A. Estimate: $11; exact: $11.18
B. Estimate: $11; exact: $10.18
C. Estimate: $9; exact: $8.82
D. Estimate: $11; exact: $11.17

Answer: A

Mathematics

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