By using chart above, between which years Indonesian population have biggest growth?  

By using Pt = Po (1 + r)^n  and 2010 as Indonesian population on early year, what is the number of Indonesian population on 2020 if percentage of Indonesian population growth less than 5 %?      (Note: Calculator can be used)

A statistician predicts the number of Indonesian population will be 350.6 millions and assumes percentage of population growth is 1%.   If the statistician predict it by using Pt = Po (1 + r) ^n and 2010 as early year, find when will it be!  Note: Calculator can be used