SOLUTION: 9, 3, 1, 1/3 Explicit formula

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Question 1194957: 9, 3, 1, 1/3 Explicit formula
Answer by MathLover1(20849) About Me  (Show Source):
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9, 3, 1, 1%2F3,...
The formula for nth term of a geometric progression is

a%5Bn%5D=a%5B1%5D%2Ar%5E%28n-1%29
given:
a%5B1%5D=9
r=3%2F9=1%2F3
a%5Bn%5D=9%2A%281%2F3%29%5E%28n-1%29 where n=1,2,3,....