Asked by Adedeji Ogunba
                 Using the ordinary alphabet and allowing repeated letters, find the number of words of length 8 that have
exactly one B.
How do I solve this? Please leave an explanation to solve this.
            
        exactly one B.
How do I solve this? Please leave an explanation to solve this.
Answers
                    Answered by
            Steve
            
    there are 25 letters besides the B. So, each of the other 7 positions has 25 choices, making a total of 8*25^7 ways to form words with one B somewhere.
    
                    Answered by
            Adedeji Ogunba
            
    So what does length 8 mean? So is length like a position?
    
                    Answered by
            Steve
            
    no - a word of 8 letters
it is 8 letters long
its length is 8
The B can be in any of 8 places; that's why the 8*25^7
    
it is 8 letters long
its length is 8
The B can be in any of 8 places; that's why the 8*25^7
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