Forming License Plate Numbers How many different license plate numbers can be made using
Chapter 10, Problem 46(choose chapter or problem)
Forming License Plate Numbers How many different license plate numbers can be made using 2 letters followed by 4 digits selected from the digits 0 through 9, if (a) letters and digits may be repeated? (b) letters may be repeated, but digits may not be repeated? (c) neither letters nor digits may be repeated?
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