Answered

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17. How many words can you make in English from the following 4 letters: WXYZ? The repetition of
the letters is not allowed. *
21
22
23
24

Sagot :

Answer:

24

Step-by-step explanation:

[tex]P(n,r)= \frac{n!(n-r)! }{n}[/tex]

           

 

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