jay200032
Dec 18, 2008, 03:27 PM
Employees of large corporation are to be issued special codded identification cards. The code consists of 4letters of the alphabet. Each letter can be used for 4 times. How many different 10 cards can be used?
Credendovidis
Dec 18, 2008, 05:33 PM
Employees of large corporation are to be issued special codded identification cards. The code consists of 4letters of the alphabet. Each letter can be used for 4 times. How many different 10 cards can be used?
Dear Jay :
Before going on, how do you define "10 card"?? A card with a combination of 10 of the available characters in the entire pool??
:)
.