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The population of the world in 1987 was 5 billion and the annual growth rate was estimated at 2 percent per year. Assuming that...Asked by shipra
The population of the world in 1987 was 5 billion and the annual growth rate was estimated at 2 percent per year. Assuming that the world population follows an exponential growth model, find the projected world population in 1991.
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Answered by
Steve
1991 is 4 years from 1987, so the projection is (in billions)
5 * 1.02^4
5 * 1.02^4
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