Solve the problem.Conservationists tagged 50 black-nosed rabbits in a national forest in 1990. In 1991, they tagged 100 black-nosed rabbits in the same range. If the rabbit population follows the exponential law, how many rabbits will be in the range 4 years from 1990?
A. 59
B. 1600
C. 119
D. 800
Answer: D
Mathematics
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Use scientific notation to solve the problem.The national debt of a small country is $6,390,000,000 and the population is 2,475,000. What is the amount of debt per person?
A. $2.58 x 103 B. $2.58 x 106 C. $25.80 D. $2.58
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Determine the exact amount of NaCl in 1500 mL of 0.9% NS.
A. 0.135 g B. 1500 g C. 0.9 g D. 13.5 g
Mathematics
Find the graph of the equation.
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A. ?
B. ?
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?
C. ?
D. ?
E. ?
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Find the domain of the function.f(x) = ln 
A. (1, ?) B. (9, ?) C. (-9, ?) D. (0, ?)
Mathematics