Respuesta :

PhillSwift

Answer:

Common ratio: 3

Step-by-step explanation:

well 3 to 9 is multiplying by 3

9 to 27 is by multipling by 3

27 to 81 is by multipling by 3

Answer:

3.

Step-by-step explanation:

Divide  a term by the previous one.

Common ratio = 9 /3 = 27/9 = 82 / 27 = 3.