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John is choosing a password for his access to the internet. He decided not to use the digit 0 or the letter M. Each letter or number may be used more than once. How many passwords of 2 letters followed by 4 digits are possible?

Respuesta :

spammyrach
25 letters for first spot
25 letters for second spot
[tex]25 ^{2} = 625[/tex]
9 numbers 
[tex]9 ^{4} = 6561[/tex]
6561 times 625
=4,100,625