arayah6615 arayah6615
  • 12-07-2022
  • Mathematics
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3. How many 4-letter code can be formed using the first 10 letters of the English alphabet, if no letter can be repeated?

Respuesta :

avelynlow
avelynlow avelynlow
  • 12-07-2022
Abcdefg
There cannot be more than two because there are only two vowels, e and a. But it has to be 4 lettered, which limits a lot of option, so there can only be one 4-letter code.
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