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OpenStudy (anonymous):
You have a CD with 16 songs, and you want to play 3 of them for your friends. How many different arrangements of 3 songs are possible? (Count two arrangements as different if they have the same 3 songs in a different order.)
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Directrix (directrix):
16 choices for the first song, then 15 for the second, and 14 for the third. 16*15*14 =3360 ways
OpenStudy (anonymous):
thank you
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