Solve the problem.Assume that the volume of the earth is 5 × 1014 cubic meters and the volume of a bacterium is 2.5 × 10-16 cubic meters. If the earth could be filled with bacteria, how many would it contain?
A. 5.0 × 1031 bacteria
B. 2.0 × 1030 bacteria
C. 5.0 × 10-31 bacteria
D. 2.0 × 10-30 bacteria
Answer: B
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Subtract. Convert the measure to the one that is underlined.64.5 m - 2.08 dam
A. 64.292 m B. 43.7 m C. 62.42 m D. 642.92 m
Simplify the expression.(-6)0
A. Exponent: -6, base: 0 B. Exponent: 0, base: -6 C. Exponent: 0, base: 0 D. Exponent: 1, base: -6
Find 
.y = 
A. (x + 1)-3 B. -2(x + 1)-2 C. (x + 1)-2 D. -2(x + 1)-3
A new drug has been found to be effective in treating 85% of the people afflicted by a certain disease. If the drug is administered to 300 people who have this disease, what are the mean and the standard deviation of the number of people for whom the drug can be expected to be effective?
Round the answers to the nearest hundredth if necessary.
