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  • 06-05-2017
  • Mathematics
contestada

Sample space for the order in which 4 blocks A B C D can be lined up

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Аноним Аноним
  • 06-05-2017
the for letters can be ordered in 4! ways
That is 4*3*2*1 = 24 

ABCD
ABDC
ACBD
ACDB   etc....
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