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Does the sequence 1 + .4 + .16 +.064 Converge and where if so?

So I started this problem out by making the a series equation

Ʃ.4^n

Where n=0

So since i believe this is the series equation for this sequence I now know that it does in fact converge because -1 < .4 ≤ 1. So i know that this converges but how do i find out exactly where it converges?

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# Homework Help: Where does this sequence converge?

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