SOLUTION: Serial numbers for a product are to be made using 4letters followed by 4 numbers. If the letters are to be taken from the first 7 letters of the alphabet with no repeats and the n

Algebra ->  Permutations -> SOLUTION: Serial numbers for a product are to be made using 4letters followed by 4 numbers. If the letters are to be taken from the first 7 letters of the alphabet with no repeats and the n      Log On


   



Question 1109987: Serial numbers for a product are to be made using 4letters followed by 4
numbers. If the letters are to be taken from the first 7 letters of the alphabet with no repeats and the numbers are taken from the digit 0 through 9
with no repeats, how many serial numbers can be generated

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
7*6*5*4*10*9*8*7=4,233,600
once one letter/number is chosen, then there is one fewer letter/number