Asked by tori
Pretend the world's population in 1988 was 4.9 billion and that the projection for 2017, assuming exponential growth, is 7 billion.
What annual rate of growth is assumed in this prediction?
What annual rate of growth is assumed in this prediction?
Answers
Answered by
Steve
I assume you want to find the annual rate of growth. So,
4.9(1+r)^(2017-1988) = 7
r = 0.012375 or about 1.2%
4.9(1+r)^(2017-1988) = 7
r = 0.012375 or about 1.2%
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