1234, 2637, 7777, 2727 are examples of a four digit number. So any random four numbers are four digits.
I assume you mean how many 4-digit numbers can be made from a set such as {A,A, B, C} where A, B and C are single digits. There are 12 such numbers.
you take the four digits and multiply 4 by 4 you get 16 digits
how many numbers exactly have 4 digits ? 8900, 8999, 9000, 9999
The four-digit numbers that can be formed using the digits 6, 7, 8, and 9, without repetition, are all the permutations of these four digits. There are 24 possible combinations, including numbers like 6789, 6798, 6879, and so on. Essentially, any arrangement of these four digits constitutes a valid four-digit number.
10,000
45
It is usually 4 digits. Some banks offer pin numbers that are more than 4 digits long.
Any pair of digits (not including 0), can be used to generate 14 four-digit numbers. If one of the digits is 0, only seven will start with a non-zero digit.
94
If the digits are all different then 18. Otherwise, 192.
The number 3.254 contains four digits in total: three digits before the decimal point (3) and three digits after the decimal point (254). Therefore, there are four digits in the number 3.254.
1,2,3,4 1+2+3+4=10 4 times 3 times 2 times 1 =24 24 counting numbers