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Homework Answers
A. Time required for reaching 10billion population:
Annual growth rate of 1.075% in 2019 (Given)
Population in 2020 7.6 billion
7.6billion(1+1.075%)^n = 10billions
(1.01075)^n = 10/7.6
=(1.01075)^n = 1.316
= n= 26 years i.e, In Year 2046 the population would be 10billions.
2. In case of males the population by then would be
7.6(1.01075)^57.1= 13.99bn
In case of females the population by then would be
7.6(1.01075)^61.8= 15.85bn
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