1) Population growth Several methods are used to predict the population growth of a city/country. Exponential method with the formula: Pt = Po.ert with Where : Pt = total population in year t Po = total population in base year r = population growth rate t = time period between dast year and year t (in years) e = base number of the natural logarithm system (ln) whose magnitude is 2.7182818 6. For example, the population of an island in 2019 is 63,153 people, with a population growth rate of 8% per year. What is the estimated population of the area in 2023?

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