Express the number in scientific notation.85,000,000,000
A. 8.5 × 109
B. 8.5 × 10-10
C. 8.5 × 1010
D. 8.5 × 10-9
Answer: C
Mathematics
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Refer to a normal distribution described by the following figure. The mean is ? and the standard deviation is ?.
The mean ? =
A. 48.5 B. 52.5 C. 32 D. 50 E. none of these
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = (x - 1)3
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation. Write the answer in scientific notation.(3.2 × 10-5)(1.2 × 10-7)
A. 3.84 × 10-12 B. 3.84 × 1012 C. 4.4 × 1012 D. 3.84 × 10-2
Mathematics
Solve the system.
A. (0, 0, -4) B. (0, -4, 0) C. (5, -4, 0) D. ?
Mathematics