SOLUTION: determine the sum for the geometric sequence: n=12 , r=3 , T1 = 1/9

Question 35496: determine the sum for the geometric sequence:
n=12 , r=3 , T1 = 1/9
Found 2 solutions by venugopalramana, Prithwis:
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
determine the sum for the geometric sequence:
n=12 , r=3 , T1 = 1/9
SN=T1(R^N-1)/(R-1)
=(1/9)(3^12-1)/(3-1)=(3^12-1)/18=29524.4
Answer by Prithwis(166) (Show Source): You can put this solution on YOUR website!
Sum S(n) = t1(r^n-1)/(r-1) (r being the ratio and t1 being the first term)
S(12)=(1/9)(3^12-1)/(3-1)=(3^12-1)/18 (it approximates to 29524.4444)

RELATED QUESTIONS
the first three terms of a geometric sequence are: T1:T2:T3. if T2=T1+4 and T3=T2+9,... (answered by fractalier)
The first three terms of a geometric sequence are: T1 ; T2 ; and T3. If T2 = T1 + 4 and... (answered by Theo)
The first two terms of a geometric sequence and an arithmetic sequence are the same. The... (answered by Edwin McCravy)
1) determine the sum of the arithmetic series 19.5+14+8.5+...t24 2)Determine the value (answered by Edwin McCravy)
what are the first four terms of the geometric sequence t1=-2,... (answered by t0hierry)
Solve the equation for... (answered by mananth)
Determine the sum for the geometric series 1/2 - 1/3 + 2/9 - 4/27... (answered by fractalier)
Use the formula a(sub1) + a(sub1)r + a(sub1)r^2 + ...+ a(sub1)r^n-1 = a(sub1) 1-r^n/1-r... (answered by stanbon)
Use the geometric sequence of numbers 1, 3, 9, 27, � to find the following: a) What is... (answered by rmromero)