Question

What's the common ratio in this equation?

Answer 1

\[\sum_{n=1}^{10}(5*1/4^{n})\]

Answer 2

For geometric sequences, one way of finding the common ratio is to divide the (n+1)'th term by the n'th term.
For arithmetic sequences find the difference between the (n+1)'th term and the n'th term.

Answer 3

there are ten terms in this equation right?

Answer 4

yes