Respuesta :

Answer:

1/3

Step-by-step explanation:

To determine the common ration, we take the second term and divide it by the first term

9/27 = 1/3

We verify this by taking the third term and diving by the second term

3/9 = 1/3

The common ratio is 1/3

Answer:

1/3

Step-by-step explanation:

Divide a term by the previous term.

For example, divide 1 by 3 to get 1/3.