Ice Cream: A certain ice cream parlor offers 15 flavors of ice cream. you want an ice cream cone with three scoops of ice cream,
all different flavors. In how many ways can you choose a cone if it matters which flavor is on top, which is in the middle, and which is on the bottom?
Anything times 1 is equal to itself. Anything times less than one is less than itself. Anything times greater than one is greater than itself. Therefore, 125 times .9, which is less than one, is less than 125