Answer:
Option: c is the correct answer.
c. 10^6 plate numbers
Explanation:
Delaware currently uses six-digit numbers in its license plate numbering system.
This means that he uses the 10 numerical digits to get a number in a number plate.
Also it isn't mentioned that the digits have to be unique.
This means that the number of licence plate that can be made are:
![10^6](https://img.qammunity.org/2020/formulas/mathematics/middle-school/9qomcs8ga9j63yxs3yanpp9017zk1qskr7.png)
( Since any of the 10 digits could come at first place, any of the 10 digits could come in the second place and so on for third, fourth, fifth and sixth place.
which is given by 10×10×10×10×10×10=10^6 )
Hence, the number of license plate numbers Delaware can assign under their system is:
c. 10^6 plate numbers