# How do you find the common ratio for #7,14,28,56,128,...#?

##### 1 Answer

Jul 24, 2016

Ignoring the

#### Explanation:

For this sequence to have a common ratio, the ratio between any pair of consecutive terms must be the same.

So if this sequence does have a common ratio, then we can look at any pair of consecutive terms, e.g.

#14/7 = 2#

This ratio is the same for

I suspect a typo in the question. The value you would expect is