Question

Some states are running out of license plate numbers. Delaware currently uses six-digit numbers in its license plate numbering system. The state of Washington recently stated that it needs to explore options to replace their current system of three numerical digits followed by three letters. New Jersey currently uses a system of one letter, two numerical digits, then three letters. How many license plate numbers can Delaware assign under their system?

a. 100,000 plate numbers

b. 101,000 plate numbers

c. 1,000,000 plate numbers

d. 110, 000 plate numbers

Answer 1

c. 1,000,000 plate numbers

Explanation:

Each of the 6 digits of a Delaware plate can take on any of 10 values, so there are ...

10×10×10×10×10×10 = 1,000,000

possible plate numbers.