Posted by M. on Friday, December 7, 2012 at 8:39pm.
How many computer passwords can be created with three digits followed by three letters if the first number cannot be 0 or no number or letter can be repeated?

Probability(math)  Steve, Friday, December 7, 2012 at 11:42pm
9*9*8 * 26*25*24 = 10108800