Use a calculator to find the following to four decimal places.e-1.62

A. 0.2187
B. 5.0531
C. -4.4036
D. 0.1979


Answer: D

Mathematics

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A. $80,500.00 B. $80,700.00 C. $80,442.43 D. $80,400.00

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A. {x|x ? 0} B. {0} C. {x|x ? 0} D. all real numbers

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A.
B.
C.
D.

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?Average costs. Suppose the average costs of a mining operation depend on the number of machines used, and average costs, in dollars, are given by , , where x is the number of machines used. What is the minimum average cost? ?  

A. ?$0 B. ?$35 C. ?$490 D. ?$245 E. ?$8582

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