Fundamental Counting Principle

Multiple Choice

 

How many 4-digit even numbers can be formed from the digits 1, 3, 4, 6, 8, and 9 if no repetition of digits is allowed?

• 120

• 180

• 840

• 1680

Fill in the Blanks

How many car license plates are possible if you need 3 letters (English alphabet letters) and 4 digits, and repetition of letters and numbers is allowed?

Note: There are 26 English alphabet letters, and 1-digit numbers are 0-9.

(For example, ABC1234 is possible).