if you have 4 digits (there are 10 digits) and 2 letters (there are 26 letters), determine how many different license plates are possible if digits and letters CANNOT be repeated?

Respuesta :

We have 4 digits and 2 letters, so the no. of possible licence plates is;

[tex]10\times9\times8\times7\times26\times25=3,276,000[/tex]

Therefore there are