SOLUTION: what is the summation notation of 1000,100,10,1,0.1,0.01
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Question 1086359
:
what is the summation notation of 1000,100,10,1,0.1,0.01
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Edwin McCravy, rothauserc
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Edwin McCravy(20056)
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Answer by
rothauserc(4718)
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This is a geometric progression with common ratio = 0.10 and a(1) = 1000
:
S(n) = a(1) * (1 - r^n) / (1 - r)
:
S(6) = 1000 * (1 - 0.10^6) / (1 - 0.10) = 1111.11
: