Answer:
I think the answer is 20
Explanation:
This is the answer because:
1) Since the pattern is 2n we have to multiply 2 x 1, 2 x 2, 2 x 3, 2 x 4
2) We would get 2, 4, 6, 8
3) Since they're asking for the sum of the sequence it would be:
2+4+6+8 which equals 20
Hope this helps!