5a. DJ Mykel is making a playlist for a website; he is trying to decide what 15 songs to play and in what order they should be played.
If he has his choices narrowed down to 6 blues, 4 reggae, 6 country, and 7 jazz songs, and he wants to play no more than 2 reggae songs, how many different playlists are possible? Express your answer in scientific notation rounding to the hundredths place.
5b. The newly elected president needs to decide the remaining 8 spots available in the cabinet he/she is appointing. If there are 14 eligible candidates for these positions (where rank matters), how many different ways can the members of the cabinet be appointed?
Answer:
5b)
Given ,
There are 8 spots available for 14 positions
To determine the number of different ways can the members of the cabinet be appointed
Here we apply permutations for this
i.e., 8 out of 14
= 14P8
= 14! / (14-8)!
= 14! / 6!
= 121080960
Hence the number of different ways can the members of the cabinet be appointed is 121080960
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