Question

How do you use the geometric sequence of numbers 1, 2, 4, 8,…to find r, the ratio between 2 consecutive terms?

Answer 1

`r=2`

Explanation:

The common ratio for a geometric sequence `(x_n)` is defined as `r=x_(n+1)/x_n`.

So in this case, `r=8/4=4/2=2/1=2`