Use natural logarithms to evaluate the logarithm to the nearest thousandth.log8.9 7.0

A. 0.787
B. 1.123
C. 0.845
D. 0.890


Answer: D

Mathematics

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A cleaning process is removing salt from a pool. The amount S, in pounds, of salt remaining after t hours is given in the following table. Use exponential regression to find the percentage decrease in salt over any 4-year period. Round your answer to two decimal places. Round your answer to two decimal places.  t 1.16 4.83 8.44 11.55 15.43 S 23.29 12.16 5.54 3.04 2.16?

A. 64.00% B. 50.21% C. 65.93% D. 49.06%

Mathematics

Simplify: 2 (11c – 4)

A) 20c + 8 B) 13c – 8 C) 20c – 2 D) 13c – 2 E) 22c – 8

Mathematics

Provide an appropriate response.True or false? The LCD of the two fractions  and  is    if the greatest common factor of b and e is not 1.

A. True B. False

Mathematics

Use a calculator to estimate the limit.

A. 0 B. Does not exist C. 4 D. 2

Mathematics