What is the common ratio in the geometric sequence?

1, 9, 81, 729,

Answers below

8

9

72

648

9

Step-by-step explanation:

Common ratio is found by raking the second term and dividing by the first term

9/1 = 9

We can check by taking the third term and dividing by the second term

81/9 = 9

The common ratio is 9