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If S(n)=1+(1)/(2)+(1)/(2^(2))+"..."+(1)/...

If `S_(n)=1+(1)/(2)+(1)/(2^(2))+"..."+(1)/(2^(n-1))`, then calculate the least value of n such that `2-S_(n)lt(1)/(100)`.

A

6

B

8

C

10

D

None of these

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B
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