Question

The population of fish in a lake doubles every decade.

In 1980, the population was 3,000 fish.
What was the population of the pond after 4 decades?
[15 points]

Answer 1

Hello,

Explanation:

3000 x 2 x 2 x 2 x 2 = 3000 x
`2^(4)` = 48000

48000 fish

or :

3000 fish

6000 fish

12000 fish

24000 fish

and 48000 fish

Answer 2

48,000

Explanation:

3,000 x 2 = 6000 (decade one)

6000 x 2 = 12000 (decade two)

12000 x 2 = 24000 (decade three)

24000 x 2 = 48000 (decade four)