SOLUTION: wht should come in place of ? 405 135 54 27 18 18 ?

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Question 254102: wht should come in place of ?
405 135 54 27 18 18 ?

Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
405 135 54 27 18 18 9
***3**2.5*2**1.5*1*.5
calculating the relationship between the following number and the former number we get a decreasing multiplier ( by -.5) from 3 to .5.

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