There are 10 one digit positive integers (0 - 9) and 9 one digit negative integers (-9 to -1) making 19 in all.
-23
4
the answer would be 900
There are 4500 such numbers.
Positive integers are greater than negative integers. For positive integers: * The integer with more digits is larger. * If two integers have the same length, compare the first digit. If the first digit is the same, compare the second digit, then the third, etc., until you find a difference. In each case, the integer with the larger digit (at the first position where you find a difference) is the larger one.
28
There are 352.
-23
90
There are 45 integers between 11 and 999999 which consist of only one digit being repeated. There are 831430 integers that contain at least one repeated digit.
4 digits - representing 16 integers.
4
the answer would be 900
500
There are 4500 such numbers.
There are 8*8 = 64 such numbers.
54