Ellen is playing a video game in which she captures butterflies. There are 5 butterflies onscreen, but the number of butterflies doubles every minute. After 4 minutes, she was able to capture 6 of the butterflies.

Question

Enter an expression for the number of butterflies after 4 minutes. Use a power of 2 in your answer.
An expression is

Answer 1

well, after m minutes, there are 5*2^m butterflies.
so, when m=4, ...