SOLUTION: A radio disc jockey has a library of 250 different songs from which to choose. In how many different ways can he program the next two songs he will play?
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Question 1150306: A radio disc jockey has a library of 250 different songs from which to choose. In how many different ways can he program the next two songs he will play?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A radio disc jockey has a library of 250 different songs from which to choose. In how many different ways can he program the next two songs he will play?
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If he plays the some one 2x, it's 250*250.
If they're different, it's 250*249.
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