Question

Find the sum of the geometric series 6+18+54+... to 6 terms.

Answer 1

how?

Answer 2

\[S_n=\frac{ a(r^n-1) }{ r-1 }\]

Answer 3

\[a=6,r=3,n=6\]

Answer 4

S=a(r^n - 1) / (r - 1)
=>6(3^6-1)/5

Answer 5

so what would u substitute? and where?

Answer 6

idk

Answer 7

why infinity?when it says 6 terms

Answer 8

y is a and n=6

Answer 9

a is the 1st term
and n=the power which u wrote 6 urself

Answer 10

what do u mean by that? how did u find 6 fr n?

Answer 11

Find the sum of the geometric series 6+18+54+... to 6 terms.
sum of the geometric series 6+18+54+... to 6 terms.
geometric series 6+18+54+... to 6 terms.
6+18+54+... to 6 terms.
6 terms.

Answer 12

oh ok thx