SOLUTION: Write a recursive formula and show work for 81, 27, 9, 3,...

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Question 721432: Write a recursive formula and show work for
81, 27, 9, 3,...
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

a%5Bn%5D=3%5E%285-n%29 where n=1,2,3,.....