Solve the problem.Conservationists tagged 70 black-nosed rabbits in a national forest in 1990. In 1992, they tagged 140 black-nosed rabbits in the same range. If the rabbit population follows the exponential law, how many rabbits will be in the range 5 years from 1990?
A. 92
B. 396
C. 792
D. 185
Answer: B
Mathematics
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Round the whole number to the given place value.288,717 to the nearest ten thousand
A. 290,000 B. 280,000 C. 300,000 D. 288,000
Mathematics
Use the circle graph to solve the problem.A survey of the 6,383 vehicles on the campus of State University yielded the following circle graph. 
Find the number of vans. Round your result to the nearest whole number.
A. 128 B. 5,936 C. 7 D. 447
Mathematics
Perform the indicated operations.Subtract 4n6 - 11n3 - 2 from 2n6 - 14n3 + 5.
A. -2n6 - 3n3 + 3 B. -2n6 + 3n3 - 7 C. -2n6 - 10n3 + 3 D. -2n6 - 3n3 + 7
Mathematics
Perform the indicated operation or operations.
A. 4 B. 400 C. 30 D. -4
Mathematics