In how many different ways can someone arrange 6 books on a shelf
2 answers:
Number of ways = 6!
Number of ways = 6 x 5 x 4 x 3 x 2 x 1
Number of ways = 720
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Answer: 720 ways
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You have to do 6!---- factorize 6
6x5x4x3x2x1---- this equals 720.
So, there are 720!
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