Write the number in scientific notation.0.000048919

A. 4.8919 × 10-4
B. 4.8919 × 104
C. 4.8919 × 105
D. 4.8919 × 10-5


Answer: D

Mathematics

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Solve. -  = 

A.
B.
C. - 
D. 6

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Convert the rectangular coordinates to polar coordinates, using radian measure for the angle.(8, -8)

A.
B.
C.
D.

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Find the sum, if it exists.

A.
B.
C. - 
D. Does not exist.

Mathematics

Solve the problem.Find the interest rate necessary for a present value of $8939 to grow to a future value of $10,473.46 if interest is compounded quarterly for two years. (In the formula  P is the present value, A is the future value, t is the number of years from now earning annual interest r compounded n times per year.) Round to the nearest percent.

A. 6% B. 10% C. 8% D. 12%

Mathematics