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Answer to Question #347542 in Discrete Mathematics for MBIZO

Question #347542

How many strings of eight uppercase English letters are there

a) that start with X, if no letter can be repeated?



1
Expert's answer
2022-06-06T08:09:10-0400

There are 26 uppercase English letters . Then


"N=_{25}P_{7}=\\dfrac{25!}{(25-7!)}=480700"


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