Decide if the answer is reasonable or unreasonable by rounding the numbers and estimating the answer. If the answer is not reasonable, find the correct answer.2807.1 ÷ 22.4 = 12.53
A. Reasonable
B. Unreasonable, should be 1253
C. Unreasonable, should be 1.253
D. Unreasonable, should be 125.3
Answer: D
Mathematics
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A. 
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Find cos 
.
A. 
B. 
C. 
D. 
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