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?
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.