SOLUTION: help find the fourth term of the geometric sequence whose first term is 7 and whose common ration is 5 a, =

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Question 550895: help find the fourth term of the geometric sequence whose first term is 7 and whose common ration is 5
a, =
Answer by mathstutor458(57) About Me  (Show Source):
You can put this solution on YOUR website!
first term,a = 7
common ration , r=15
nth term formula = a1*r^(n-1)
4th term = 7*(15^(4-1))= 7* 15^3 = 23625 -->answer