Question

Describe an infinte geometric series with a beginning vaule of 2 that converges to 10. What are the first 4 terms of the series?

I know r=4/5

Now what do I do

Answer 1

just plug and chug.

4/(1-r) = 10
2/5 = 1-r
r = 3/5

So, now you know the G.P.