SOLUTION: what is the sum of the first five terms of the geometric sequence in which a1=10 and r=1/2
Algebra.Com
Question 885548: what is the sum of the first five terms of the geometric sequence in which a1=10 and r=1/2
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
S=10*(1 - 1/2^5)/(1 - 1/2)
S=t*(1 - r^n)/(1 - r
155/8
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