juliyawn9846 juliyawn9846
  • 26-01-2018
  • Mathematics
contestada

How many different 99-letter permutations can be formed from 77 identical h's and two identical t's?

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LammettHash
LammettHash LammettHash
  • 27-01-2018
Assuming "99" and "77" are actually 9 and 7,

[tex]\dfrac{9!}{7!2!}=36[/tex]
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