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aly12
 3 years ago
RUSH!
The sum of finite geometric series
1+5+25+125+...+5^9
answer please???
aly12
 3 years ago
RUSH! The sum of finite geometric series 1+5+25+125+...+5^9 answer please???

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shining
 3 years ago
Best ResponseYou've already chosen the best response.1a1=1,r=5 sum = a1(1r^n)/1r

matricked
 3 years ago
Best ResponseYou've already chosen the best response.0here a1=1 and r=5 and n=10 use the formula for summation of GP with r>1 Sn=1(5^10 1) / (51)=1/4 * (5^10 1)

aly12
 3 years ago
Best ResponseYou've already chosen the best response.0I TRy but the answer i got is 488281. something : l

genius12
 3 years ago
Best ResponseYou've already chosen the best response.1S = a((1r^n) / (1r)) = 1(15^10) / (15) = 2,441,406
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