Factorial notation
Permutations and combinations · Mathematics
Study notes
Q: Evaluate (a) 6! (b) 8!/5! (c) In how many ways can 4 books sit in a row? (a) 6! = 720. (b) 8!/5! = 8x7x6 = 336 (cancel 5!). (c) 4! = 24 ways.
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Permutations and combinations · Mathematics
Q: Evaluate (a) 6! (b) 8!/5! (c) In how many ways can 4 books sit in a row? (a) 6! = 720. (b) 8!/5! = 8x7x6 = 336 (cancel 5!). (c) 4! = 24 ways.