Perform the indicated computation. Write the answer in scientific notation.(5.8 × 105)(3 × 10-7)

A. 1.74 × 10-1
B. 17.4 × 10-2
C. 1.74 × 10-3
D. 1.74 × 10-2


Answer: A

Mathematics

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Solve the problem.At a ticket booth, customers arrive randomly at a rate of x per hour. The average line length is  where   To keep the time waiting in line reasonable, it is decided that the average line length should not exceed 10 customers. Solve the inequality  to determine the rates x per hour at which customers can arrive before a second attendant is needed.

A. 0 ? x ? 19 B. 0 ? x ? 17 C. 0 ? x ? 18 D. 0 ? x ? 20

Mathematics

For the pair of functions, find the indicated domain.f(x) = x2 - 4, g(x) = 2x + 3Find the domain of f ? g.

A. (-2, 2) B. [2, ?) C. [0, ?) D. (-?, ?)

Mathematics

Write each inequality in interval notation and graph the interval on a number line.0 < x < 4

A. [0, 4]

B. [0, 4)

C. (0, 4]

D. (0, 4)

Mathematics

Evaluate the sum.

A. 310 B. 270 C. 380 D. 335

Mathematics