Use properties of logarithms to evaluate the expression.log10(0.01)7

A.
B.
C. -49
D. -14


Answer: D

Mathematics

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Solve the problem.There are 9 horses in a race. In how many ways can the first three positions of the order of the finish occur? (Assume there are no ties.)

A. 82 B. 508 C. 504 D. 84

Mathematics

Identify the row operation that produces the resulting matrix. ? 

A. (-1)R2 ? R2 B. R1 + (-1)R2 ? R2 C. (-1)R1 + R2 ? R2 D. R1 + (-1)R2 ? R1

Mathematics

Solve the problem. Use ? ? 3.14, as needed. For the target shown below, find the probability of hitting the shaded area. Assume that each point on the target is equally as likely to be hit.

A.
B.
C.
D.

Mathematics

Solve the system of equations.

A. x = 0, y = 0, z = 1; (0, 0, 1) B. x = -1, y = 1, z = 1; (-1, 1, 1) C. x = 0, y = 1, z = 0; (0, 1, 0) D. x = 1, y = -1, z = 1; (1, -1, 1)

Mathematics