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June 16th, 2009, 03:01 PM  #1 
Newbie Joined: Feb 2009 Posts: 8 Thanks: 0  Algebra 2 probability
Hii !! i have a problem .. if i want to do a "code" with 3 letters of the vocabulary and 2 numbers 0 to 9 .. how can i do this .. I think I can do this by multiplying 25 or 26x25 and with the number 10 or 9 i dont remember help me 
June 16th, 2009, 03:45 PM  #2 
Guest Joined: Posts: n/a Thanks:  Re: Algebra 2 probability
Do you mean how many different codes can you construct from 3 letters and two digits?. No repetition allowed or can they repeat?. No repeats, there are 26*25*24*10*9 If repeats allowed: 
June 16th, 2009, 04:36 PM  #3  
Newbie Joined: Feb 2009 Posts: 8 Thanks: 0  Re: Algebra 2 probability Quote:
ty is the first one !  

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