A DJ is preparing a playlist of 22 songs. How many different ways can the DJ arrange the first four songs on the playlist? There are different ways that the DJ can arrange the first four songs on the playlist. (Type a whole number.)
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After choosing the first song, there are 21 options left for the second song. Then, there are 20 options left for the third song, and 19 options left for the fourth song. Show more…
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