hayleymckee hayleymckee
  • 24-01-2019
  • Mathematics
contestada

How many three letter permutations can be formed from the first five letters of the alphabet?

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JannetPalos
JannetPalos JannetPalos
  • 02-02-2019

Answer:

There are 60 permutations that can be formed from the first five letters of the alphabet.

Step-by-step explanation:

The number of three letter permutations that can be formed from the first five letters of the alphabet is [tex]5P_{3}[/tex].

[tex]5P_{3} =\frac{5!}{(5-3)!}[/tex]

[tex]=\frac{5!}{2!}[/tex]

= 60

Hence, there are 60 permutations that can be formed from the first five letters of the alphabet.

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sofiyaleb3
sofiyaleb3 sofiyaleb3
  • 10-06-2019

Answer is 60, got it correct on a math final.

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