Question

1,2,4,8,16
what is the formula that would give the value of nth location in sequence?
anybody?

Answer 1

2^(n-1)
2^0 = 1
2^1 = 2
2^2 = 4

If you're using zero indexing (if the first item in the sequence is item 0) then it's just 2^n.

Answer 2

the first location (that gives the value 1) is location 0. continue from the question.

Answer 3

how do you get the formula?