30 of them.
Any number between 100 & 999 inclusive !
There is no difference. In both cases, the place value, of any digit, is ten times the place value of the digit to its right.
The answer is 138
19.
450 whole numbers.
There are 900 three-digit whole numbers between 1 and 1000
There are 90 two-digit whole numbers between 1 and 100.
It is 500.
138 of them.
Any number between 100 & 999 inclusive !
There are only 999 three digit whole numbers.
use the digit 1234to make two different numbers
There is no difference. In both cases, the place value, of any digit, is ten times the place value of the digit to its right.
19 of them do.
19.
The answer is 138
There are 156 such numbers.