Question

Ethiopia has a population of around 80 million ppl and it estimate that the population grows every year at average growth rate of 2.3% if the population growth continues at the same rate
what will be the population after
10 & 20 years

Answer 1

\[S_n=S\left(1-\frac{p}{100}\right)^n\]

Answer 2

100.43 million, after 10 years

Answer 3

126.067 million after 20 years

Answer 4

@ Tomas, i guess, that will be a + sign.. otherwise, all are correct

Answer 5

ah sorry i meant \(\pm\) and in this case it would be +