456
There are 22 numbers between 400 and 600 that are divisible by nine.
400 of them.
300.
50
59
500
The sum of the number of digits in all the numbers between 31 and 400 inclusive is 1041.
If you write all of the counting numbers from 200 to 400,you will write the digit ' 5 ' forty times.
There are 300 whole numbers between 100 and 400, inclusive. To find this, you subtract 100 from 400 to get the total range of numbers (400 - 100 = 300). Then, since we're considering whole numbers, we add 1 to include the endpoints (400 and 100). Therefore, there are 300 whole numbers between 100 and 400.
110
two: 370 and 371