SOLUTION: I solved this problem but I need somebody to please confirm my answer is right. Thanks. 7 __ \ \ (-1/3)^n = - 547/2187 / /_

SOLUTION: I solved this problem but I need somebody to please confirm my answer is right. Thanks. 7 \ \ (-1/3)^n = - 547/2187 / / n=0 Sn = ( -1/3)^0 + (-1/3)^1+(-1/3)

Question 47852: I solved this problem but I need somebody to please confirm my answer is right. Thanks.
7
__
\
\ (-1/3)^n = - 547/2187
/
/__
n=0
Sn = ( -1/3)^0 + (-1/3)^1+(-1/3)^2+ (-1/3)^3 +(-1/3)^4+ (-1/3)^5 + (-1/3)^6 +
(-1/3)^7
= 0 + (-1/3) + 1/9 + (-1/27) + 1/81 + (-1/243) + 1/729 + (-1/2187)
= -547/2187
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Well, your work was very good up to the final step!
Remember that , therefore:
not 0
So the answer would then be:

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SOLUTION: I solved this problem but I need somebody to please confirm my answer is right. Thanks. 7 __ \ \ (-1/3)^n = - 547/2187 / /__ n=0 Sn = ( -1/3)^0 + (-1/3)^1+(-1/3)

SOLUTION: I solved this problem but I need somebody to please confirm my answer is right. Thanks. 7 \ \ (-1/3)^n = - 547/2187 / / n=0 Sn = ( -1/3)^0 + (-1/3)^1+(-1/3)