Answer:
6,760 possible license plates
Step-by-step explanation:
Assuming letters can repeat, there are 10*26*26=6760 possible license plates:
There are 10 possibilities for the first digit (0-9)
There are 26 possibilities for the first letter (A-Z)
There are 26 possibilities for the second letter (A-Z)
Apply the Fundamental Counting Principle to get your answer