Question

Find the common ratio for this geometric sequence.0.7, 2.1, 6.3, 18.9,...A. 1.4B. 3C-3O D. 0.33

Answer 1

We will ahve the following:

`(2.1)/(0.7)=3`
`(6.3)/(2.1)=3`
`(18.9)/(6.3)=3`

So, the common ratio for the geometric sequence is 3. [Option B]