Question

A state's license plate contains 3 letters followed by 3 digits. How many different license plates are possible? Explain your answer.

Answer 1

YOu don't specify if repetitions are allowed, but I will assume we can repeat letters and digits.
so number of ways = 26x26x26x10x10x10 = ...

Answer 2

how many different license plates can be made if they have 2 numbers followed by 5 letters