A town's population is currently 1,000. If the population doubles every 27 years, what will the population be 81 years from now?

Answer 1

in 27 years, population = 2000

in 54 years, 4000

in 81 years 8000

it doubles 3 times. 81/27 = 3

1000(2)^3 = 1000 x 8 = 8000