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12 August, 11:44

For every integer k from 1 to 10, inclusive the kth term of a certain sequence is given by [ (-1) ^ (k+1) ]∗[1/2^ (k) ].

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 1/2 and 1

D. Between 1/4 and 1/2

E. Less than 1/4

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  1. 12 August, 12:00
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    For every integer k from 1 to 10, inclusive the kth term of a certain sequence is given by [ (-1) ^ (k+1) ]∗[1/2^ (k) ].

    If T is the sum of the first 10 terms in the sequence, then T is:

    B.

    A. Greater than 2

    B. Between 1 and 2

    C. Between 1/2 and 1

    D. Between 1/4 and 1/2

    E. Less than 1/4
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