Question 606525: how many different three letter codes are there if only the letters a,b,c,d,e,f are used and no letter is used more than once?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! how many different three letter codes are there if only the letters a,b,c,d,e,f are used and no letter is used more than once?
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Answer: 6*5*4 = 120 codes
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Cheers,
Stan H.
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