A license plate in a particular state consists of 5 characters. The first 4 characters are made up using the digits 0-9, but the first character cannot be a zero. The remaining characters are letters. No characters can be repeated. How many different license plates are available?

Answer 1

9 char for the 1st position
9 for the 2nd
8 for the 3rd
7 for the 4th
26 for the 5th

9 * 9 * 8 * 7 * 26