There is only one three digit number for a gross, and that is 144.
450
There are 450 of them.
648
450.
Three-digit numbers start at 100. Two-digit numbers start at 10. So out of 1 - 99, the first 9 don't count. That leaves 99 - 9 = 90.
105
There are only 999 three digit whole numbers.
111 and 201
There are 900 three-digit numbers, ranging from 100 to 999.
Using the digits of 1345678, there are 210 three digit numbers in which no digit is repeated.
There are no three didgit numbers but there are 63 three digit numbers.
21
There are 450 such numbers.
No. Three-digit numbers start with 100.
A lot
All whole, three-digit numbers from 450 through 549 (when rounding to the nearest hundreds).
900 It is the only three digit number with a nine in the numbers place