Respuesta :
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.