Question

Find S for the given geometric series.

a_1 = 0.24 a_5 = 4197.615 r=11.5

Answer 1

What is S?

Answer 2

but what's n? we're given a_1 and a_5, no n though :/ that's what confuses me.

Answer 3

In is the nth term such as 5th term or 3rd term

Answer 4

Oh okay.

Answer 5

What is S

Answer 6

oh i didn't type it out. S_n is the S

Answer 7

What does it stand for

Answer 8

is it any given part of the series?

Answer 9

sorry i haven't had this since last year and am retaking it.