# What is the 8th term of the geometric sequence 3, 9, 27,...?

##### 1 Answer

May 20, 2015

The geometric sequence given is:

When provided with a geometric sequence we must first calculate the common ratio

1)

2)

for this sequence:

- common ratio
# r = 3# - first term
# a = 3# #n = 8#

The 8th term can be obtained through formula