Perform the indicated operations, and write the answer in scientific notation.(4 × 107)(7 × 108)
A. 2.8 × 1015
B. 2.8 × 1057
C. 2.8 × 1014
D. 2.8 × 1016
Answer: D
Mathematics
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Divide.3600 / 48
A. 75 R 39 B. 76 R 38 C. 75 D. 76
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Find the domain of the function.f(x) = 
A. (-?, 0) ? (0, ?) B. (-?, ?) C. (-1, ?) D. (-?, -1) ? (-1, ?)
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A. Quadratic; leading coefficient negative B. Quadratic; leading coefficient positive C. Linear
Mathematics