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Mathematics

Answered

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

14,950
16
358,800
1

Answer :

Aubreywerner0go Aubreywerner0go

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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