I did it myself, last night, doing WikiAnswers. It's 494,550. Did somebody get famous doing that ? ! ?
Positive 3-digit numbers are any numbers between 100 and 999. They are not negative (no "-" sign in front) and are three digits.
90
90
18 positive integers and 36 integers (negative and positive)
The lowest positive 4-digit number is 1000
All the numbers from 10 to 99 are positive 2 digit integers
149 of them.
4,000 even numbers, 4,000 odd numbers.
There are no pairs of 2-digit numbers with a difference of 90 if both numbers are positive or both negative. However, with one positive and one negative, there are 71 pairs.
There is no such thing as "intergers".The complete list of two-digit positive whole numbers lists 90 of them.
There are 294 such numbers.
They are 3-digit positive integers.