Question 144537This question is from textbook
: There are 9 different flavors, and you wanted a triple decker ice cream. How many different triple decker ice cream cones are possible?
This question is from textbook
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! The possibilities are 9x9x9 = 729 if you consider 3 scoops of the same flavor as a choice.
If the 3 flavors are to be different, then it's 9x8x7 = 504, but only if you consider a stack of flavors A B C to be different from A C B, that is with ordering.
If it's to be 3 different flavors and the order doesn't matter, then it's 9x8x7/6 = 84.
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