lifeoflashay2381 lifeoflashay2381
  • 19-02-2018
  • Mathematics
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How many four letter words can be obtained using any of the 26 letters of the alphabet, if repetition of letters is allowed?

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grujan50
grujan50 grujan50
  • 19-02-2018
This is variation with repetition, where n=26 and k=4.
Formula is V =n^k = 26^4 = 456.976
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