Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.-8.131 + (-14.69)
round each to the nearest one
A. Estimate: -23; Actual: -22.2
B. Estimate: -22; Actual: -22.821
C. Estimate: -22; Actual: -22.2
D. Estimate: -23; Actual: -22.821
Answer: D
Mathematics
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