math
posted by Matt on .
For the geometric series 50+48+...
a. 867.373 is the approximate value of a partial sum of the series. How many terms were added to get this number?
b. To what number does the serveries converge?

r = 48/50 = .96
867.373 = 50(1.96^n)/.04
n = 29
50/.04 = 1250