SOLUTION: 243;81;27;... please explain the sequence

Question 942795: 243;81;27;... please explain the sequence
Found 2 solutions by Fombitz, MathLover1:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Divide the successive term by the previous term,

So each term is divided by or multiplied by ,

Answer by MathLover1(20855) (Show Source): You can put this solution on YOUR website!
to find each term, we divide by , a common ratio, from the previous term

so, next would be

and so on
we can model it , , ,, ,... with the exponential function below:
where =,, ,...
Check:
When , which represents the first term, we get

When , which represents the second term, we get

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