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For every integer m from 1 to 10 inclusive, the mth term of a certain
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02 Apr 2018, 01:14
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Difficulty:
45% (medium)
Question Stats:
60% (02:06) correct 40% (02:27) wrong based on 62 sessions
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For every integer m from 1 to 10 inclusive, the \(m_{th}\) term of a certain sequence is given by \((-1)^{(m+1)}*(\frac{1}{2})^m\). If T is the sum of the first 10 terms in the sequence, then T is:
(A) greater than 2 (B) between 1 and 2 (C) between 0.5 and 1 (D) between 0.25 and 0.5 (E) less than 0.25
Re: For every integer m from 1 to 10 inclusive, the mth term of a certain
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02 Apr 2018, 02:55
Bunuel wrote:
For every integer m from 1 to 10 inclusive, the \(m_{th}\) term of a certain sequence is given by \((-1)^{(m+1)}*(\frac{1}{2})^m\). If T is the sum of the first 10 terms in the sequence, then T is:
(A) greater than 2 (B) between 1 and 2 (C) between 0.5 and 1 (D) between 0.25 and 0.5 (E) less than 0.25
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60% (02:06) correct 
