Answers

  • Brainly User
2016-07-07T17:48:37+08:00
ANSWER:  1/4

How:

16/64 = 1/4  (a₂ /a₁)

4/16 = 1/4   (a₃ / a₂)

1/4 = 1/4     (a₄ / a₃)
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