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Vincen
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For every integer \(n\) from \(1\) to \(200,\) inclusive, the \(nth\) term of a certain sequence is given by \((-1)^n\cdot 2^{-n}.\) If \(N\) is the sum of the first \(200\) terms in the sequence, then \(N\) is
(A) less than \(-1\)
(B) between \(-1\) and \(-\dfrac12\)
(C) between \(-\dfrac12\) and \(0\)
(D) between \(0\) and \(\dfrac12\)
(E) greater than \(\dfrac12\)
Answer: C
Source: Veritas Prep
(A) less than \(-1\)
(B) between \(-1\) and \(-\dfrac12\)
(C) between \(-\dfrac12\) and \(0\)
(D) between \(0\) and \(\dfrac12\)
(E) greater than \(\dfrac12\)
Answer: C
Source: Veritas Prep
