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1.Which explains why the sequence 216, 12, 2/3 is arithmetic or geometric?
A.The sequence is geometric because it decreases by a factor of 6.
B.The sequence is arithmetic because it decreases by a factor of 6
C.The sequence is geometric because it decreases by a factor of 1/18<---
D.The sequence is arithmetic because it decreases by a factor of 1/18

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