jorhagenbuch730 jorhagenbuch730

05-03-2021
Mathematics

contestada

How many four-letter codes can be made if no letter can be used twice?

14,950
16
358,800
1

Respuesta :

aubreywerner0 aubreywerner0

05-03-2021

The answer is 358,800 because the first letter can be any of the 26 then the second can only be one of 25, third can be any of 24 and fourth can be any of 23. So (26 x 25 x 24 x 23) = 358,800. I hope this helps :)

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