SOLUTION: How many different arrangements of 6 letters can be formed if the first letter must be W or K​ (repeats of letters are​ allowed)?

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Question 1129831: How many different arrangements of 6 letters
can be formed if the first letter must be W or K​ (repeats of letters are​ allowed)?
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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How many different arrangements of 6 letters
can be formed if the first letter must be W or K​ (repeats of letters are​ allowed)?
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The problem/(the question)  is formulated   INCORRECTLY.



To be correct,  the problem must define the length of the arrangements  (the length of the words).



If the length of the words is "n", then the number under the question is    2%2A6%5E%28n-1%29.      ANSWER