kennedyking kennedyking
  • 12-06-2018
  • Mathematics
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altavistard
altavistard altavistard
  • 12-06-2018
This is obviously a decreasing sequence.  Thus, the common ratio is the fraction 1/4, not the integer 4.  Eliminate C and D.  Next, at n=1, the value of the 1st term is 16, which is actually 16(1/4)^(1-1) = 16(1) = 16.  Thus, B is correct.

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