Question

What is the recursive rule for this geometric sequence? 1, 3, 9, 27, ... Enter your answers in the boxes.

an= (blank) *an-1
a1= (blank)

Someone please explain, I don't understand this one.

Answer 1

Is theAnswer: an=1•3n-1

Answer 2

the rule for a geometric sequence is:
the number times x = the next number in the sequence
for this one the next number will be 27 times 3

Step-by-step explanation:
1 times 3 = 3
3 times 3 = 9
9 times 3 = 27
27 times 3 = ?