Question

What is the common ratio for this geometric sequence?
27, 9, 3, 1, ...

Answer 1

Answer: 1/3

Explanation:

Let us confirm that this is a geometric sequence. 9/27 = 1/3 and 3/9 = 1/3. Thus, the common ratio is 1/3.

Answer 2

1/3

Explanation:

common ratio is

9÷27=1/3

3÷9=1/3

1÷3=1/3

therefore common ratio is 1/3