9,000
The numbers from 1000 to 9999 are all 4 digits, as are -1000 to -9999. Therefore there are 18,000 four-digit numbers in all.
The numbers from 1000 to 9999 are all 4 digits, as are -1000 to -9999. Therefore there are 18,000 four-digit numbers in all.
Total possible 4-digit numbers= 1000, 1001,...,9999 = 9000 Total with same digit numbers = 1111,2222,...,9999 = 9 9000 - 9 = 8991
1000 to 1999 = 1,000 numbersDo the same for 3xxx, 5xxx, 7xxx, and 9xxx,and you wind up with 5,000 numbers in all.
10,000 of them, from 0000 to 9999. However, most people would not count numbers with leading 0s, so that there would be 9000 4-digit numbers.
2240
The numbers from 1000 to 9999 are all 4 digits, as are -1000 to -9999. Therefore there are 18,000 four-digit numbers in all.
The numbers from 1000 to 9999 are all 4 digits, as are -1000 to -9999. Therefore there are 18,000 four-digit numbers in all.
5*5*4*4 = 400
Total possible 4-digit numbers= 1000, 1001,...,9999 = 9000 Total with same digit numbers = 1111,2222,...,9999 = 9 9000 - 9 = 8991
1
1000 to 1999 = 1,000 numbersDo the same for 3xxx, 5xxx, 7xxx, and 9xxx,and you wind up with 5,000 numbers in all.
10,000 of them, from 0000 to 9999. However, most people would not count numbers with leading 0s, so that there would be 9000 4-digit numbers.
There are 320 such numbers.
There are 625 of them - too many to list.
When a person writes all 4-digit numbers, they range from 1000 to 9999, totaling 9000 numbers. The digit '2' can appear in each of the four positions (thousands, hundreds, tens, and units). In each position, '2' will appear 900 times (e.g., for the thousands place, numbers from 2000 to 2999), leading to a total of 3600 occurrences of the digit '2' across all four positions.
9