Question

: The population of birds on an island is estimated to increase by 10% every year.

The population of birds on the island is 20000.
Calculate an estimate for the population of birds in three years time.​

Answer 1

22,000

Explanation:

equations is total amount = amount x (multiplier)^years

step one: 100+10 over 100 = 1.1 which the multiplier

step two : substitute 20,000 X(1.1)^3

3 because of how may years

and step three enter on calculator and get 22,000 as the answer

Answer 2

26620

Explanation:

20,000 x 10% is 2000 = 22000

22,000 x 10% is 2200 = 24200

24200 x 10% is 2420 = 26620