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5. An ice cream shop offers 25 flavors of ice cream. [15 pts.] (a) How many ways are there to select 3 different flavors from

5. An ice cream shop offers 25 flavors of ice cream. [15 pts.] (a) How many ways are there to select 3 different flavors from these 25 flavors? (b) How many different arrangements of the 3 flavors from the 25 flavors are there if the order in which the flavors are selected matters? (c) Calculate the values of 9C6 and 9P6 by writing out their formulas

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