Ateam of scientists estimate the current number of butterflies in a park to be 20 thousand. the butterfly population is expected to increase at a rate of 4% per year. which equation models the number of butterflies, in thousands, in the park after n years? a. 0.04(20)n b. 20(1.04)n c. 1.04(20)n d. 20(0.04)n

B

Step-by-step explanation:

Current number of butterflies in the park = 20 thousand.

Rate of increase of butterfly population = 4% = 0.04

The population of butterfly after 1 year = 20+0.04*20 = 20*1.04

The population of butterfly after 2 years =  20*1.04 + 20*1.04*0.04 = 20*1.04*1.04

The population of butterfly after 3 years =  20*1.04*1.04 + 20*1.04*1.04*0.04 = 20*1.04*1.04*1.04

So, population of butterfly after n years = 20*(1.04*1.04*1.04*

1) c 2143.6 cm

2) c 113.0 m

3) a 33.5 ft

4)   d 2 cm

5) c 20 mm

6) 180 in

7) d 120 ft