SOLUTION: Finish the sequence 3. 6. 18 ___ which of these numbers is correct 84 60 72 30

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Question 1210576: Finish the sequence 3. 6. 18 ___
which of these numbers is correct
84
60
72
30
Found 2 solutions by KMST, josgarithmetic:
Answer by KMST(5335) About Me  (Show Source):
You can put this solution on YOUR website!
We start with matrix%283%2C1%2C3%2C6%2C18%29 and we add to the right matrix%283%2C1%2C%22X2=%22%2C%22X3=%22%2C%22X4=%22%29 to get


Answer by josgarithmetic(39727) About Me  (Show Source):
You can put this solution on YOUR website!
Guessing, based on factors or 2's and 3's

3, 2*3, 2*3*3, next can be 2*2*3*3=36

Not enough terms for a clear pattern


"Next" should be 72.
72=2*3*2*3*2
which uses only 2's and 3's.