105k views
1 vote
there are 9000 four digit numbers. 4536 of the four digit numbers have no repeating digits. How many four digit numbers have at least one repeating digit?

User Bobroxsox
by
7.7k points

1 Answer

2 votes

This is subtraction:

9,000-4,536=4,464

User JLearner
by
8.8k points

Related questions