- (B) To calculate doubling time, divide the growth rate into the number 70.
Thus a growth rate of 2% (0.02) will cause a population to double in number
in 35 years (70 ÷ 2 = 35). 2010 + 35 years = 2045.
marvins-underground-k-12
(Marvins-Underground-K-12)
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