The conversation between human and AI assistant.
How many 4 digit numbers can be formed using 1, 2, 3 and 4 without repeating a digit?
Can you tell me how many 4 digit numbers can be formed using 1, 2, 3 and 4 without repeating a digit?
Yes, there are 24 different 4 digit numbers that can be formed using 1, 2, 3 and 4 without repeating a digit.