You have to Multiply times 3...
12•3=36
36/12=3
Answer:
19683
Step-by-step explanation:
As the formula of the geometric sequence:

In the sequence of 1, 3, 9..., you have a1 = 1 and r = 3. Therefore:

Hope this helps!
Answer:
x = 9
Step-by-step explanation:
6 × 9 = 54
54 + 15 = 69, which is less than 70.
Answer:
16 :D
Step-by-step explanation:
4 * 4 = 16
Answer:
I thinks it’s 7x + 5
Step-by-step explanation: