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9 August, 15:42

16th term in the geometric sequence 1024, - 512, 256, ...

A. - 1/64

B. - 1/32

C. 1/64

D. 1/32

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Answers (1)
  1. 9 August, 17:03
    0
    Answer:-1/32

    Step-by-step explanation:

    First term=a=1024

    Common ratio=r=-512/1024

    r=-1/2

    Using them formula

    Tn=a x r^ (n-1)

    T16=1024 x (-1/2) ^ (16-1)

    T16=1024 x (-1/2) ^15

    T16=1024 x - 1/32768

    T16=-1024/32768

    T16=-1/32
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