math
posted by FALONGO on .
How many license plates consisting of 2 letters (upper case) followed by two digits are possible?

Assume all 26 letters are used and all 10 digits are used.
Number of ways for first character (letter)
=26
For second character (letter)
=26
Third (digit)
=10
Fourth (digit)
=10
Total number of ways
= product of above 4 numbers.