Asked by Pannacotta Fugo
Find the sum of a geometric series with the following values: a1=10; r=0.5; n=4
I got: 17.3205
I got: 17.3205
Answers
Answered by
Reiny
sum(n) = a(1 - r^n)/(1 - r)
= 10(1 - .5^4)/(.5)
= 18.75
how did you get 17.3205 ?
= 10(1 - .5^4)/(.5)
= 18.75
how did you get 17.3205 ?