SOLUTION: Im having a brain fart. Im trying to solve 3+9+27+..., find S10 tn=3+(10-1)(is 3 to power of 3?) I can't remember the rule for multiplying.Please help! t10=12(?) t10= s10=

Algebra ->  Formulas -> SOLUTION: Im having a brain fart. Im trying to solve 3+9+27+..., find S10 tn=3+(10-1)(is 3 to power of 3?) I can't remember the rule for multiplying.Please help! t10=12(?) t10= s10=       Log On


   

Question 159125: Im having a brain fart. Im trying to solve 3+9+27+..., find S10
tn=3+(10-1)(is 3 to power of 3?) I can't remember the rule for multiplying.Please help!
t10=12(?)
t10=
s10= [n(t1+tn)/2]
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Im having a brain fart. Im trying to solve 3+9+27+..., find S10
tn=3+(10-1)(is 3 to power of 3?) I can't remember the rule for multiplying.Please help!
t10=12(?)
t10=
s10= [n(t1+tn)/2]
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What are you trying to do?