Find the Nth term in following sequence

A1= 148, An= An-1^-20 22nd term

Can u pls post the full question?

It says Find the Nth term of the following sequence

A1= 148, An=An-1-^20 ( 22nd term)

Recursive :

An = An-1 . (1/3)

Explicit formula: 1. (1/3)^(n-1)

Please let me know if you have any questions and best me if you are satisfactory.

Can you explain how you got the answer

and is that times 1/3

first term = 1

Common ratio = 1/3

so the n th term = (n-1) th term * Common ratio (Recursive formula)

n th term = first term . Common ratio^(n-1) (Explicit formula)

what?

did u get it?

I think so

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