there are 899 whole numbers that have three digits.
890
there are 89 twodigits in whole numbers
10,000
There are 900 three-digit numbers.
there are 899 whole numbers that have three digits.
890
there are 89 twodigits in whole numbers
Assuming that 001, 080, etc are not allowed (that is a leading zero or two is not permitted), the smallest number with exactly three digits is 100. The largest number with exactly three digits is 999. So there are 999 - 100 + 1 = 900 numbers with exactly three digits.
how many numbers exactly have 4 digits ? 8900, 8999, 9000, 9999
10,000
There are 900 three-digit numbers.
90
757
89999 Any whole number above 99999 has 6 or more digits, and any whole number below 10000 has 4 or less digits. Since there are only whole numbers involved, it is a simple subtraction of 10000 from 99999.
Three digits.
I believe here are 51 such numbers.