The population of the world in 2018 was 7.6 billion and the annual growth

Question

The population of the world in 2018 was 7.6 billion and the annual growth rate was estimated at 2 percent per year. Assuming that the world population follows an exponential growth model Pt=P0(1+r)t, find the projected world population in 2029. (Round to the nearest tenth of a billion)

Answer 1

P(t)) = Po(1+r)^t

2029-2018= 11=t

P(11) = 7.6(1.02)^11

use a calculator

= 9.449644744 billion

= 9,449,644,744 in 2029

at 2% annual growth rate

when population was 7.6 billion in 2018