Question

What is the seventh term of a sequence whose first term is 1 and whose common ratio is 3

Answer 1

nth term in geometric sequence : \[a_n = ar^{n-1}\]

a = 1
r = 3

Answer 2

A.243
B.729
c.2,187

Answer 3

plug in a =1 , r= 3 in the above formula and compute.
u have calculator ?

Answer 4

u should get 729