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Physics 21 Online
OpenStudy (anonymous):

if the population is increasing at an annual rate of 1.3% and there were 5 billion people in the year 1986, then in what year will the world population reach 10 billion people

OpenStudy (anonymous):

Based on the information given above, ignoring leap years and assuming the population was 5 billion at the very end of 1986, the population is predicted to reach 10 billion on 30 August in the year 2039. : ) Do you know how to take logarithms ?

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