The world population in the year 2018 was approximately 7.6 billions and it grows at the rate 1.1% per year. Assuming that the rate does not change over the next years:

a) Write a formula for the world population size depending on time
b) What would be the world population in 2025?
c) In what year the world population will double? (Round your answers to the nearest tenth)

1 answer

P (year - 2018) = 7.6*10^9 * 1.011^(year - 2018)