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.4560.8 ÷ 4.5 = 1013.5
A. Unreasonable, should be 10.135
B. Unreasonable, should be 101.35
C. Unreasonable, should be 10,135
D. Reasonable
Answer: D
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A. 0.729 B. -7.29 C. 7.29 D. -0.729
Decide whether the statement is true or false.There is a greatest positive fraction less than one.
A. True B. False
Provide an appropriate response.If a < 0, which of the following correctly describes - 
?
A. Negative B. Positive C. Zero D. Not real
Solve the problem.The sales of a new model of notebook computer are approximated by: 
, where x represents the number of months the computer has been on the market and S represents sales in thousands of dollars. In how many months will the sales reach $2,000,000? Round to the nearest month.
A. 21 months B. 25 months C. 28 months D. 18 months