A non-integer can be positive or negative. It is not a whole number, and that is all.
what is the greatest or least from the number line negative or greater
A non-negative integer is a whole number above 0, and a negative integer is a whole number below 0.
No since zero is a non negative number but it isn't positive as well
negative infinity
Yes, the number zero. If you want to exclude zero too, there is no least positive number.
The least non negative integer would be 1.
A non-integer can be positive or negative. It is not a whole number, and that is all.
Any number that is a whole number and is positive is a non negative integer.
Yes, absolute value is a number that is a whole number and it is non-negative.
what is the greatest or least from the number line negative or greater
No, -5 is a negative, rational number.
A non-negative integer is a whole number above 0, and a negative integer is a whole number below 0.
-1.5 would be a negative non-integer.
No since zero is a non negative number but it isn't positive as well
An example of a negative irrational number is -√2 (negative square root of 2). This number cannot be expressed as a simple fraction and has a non-repeating, non-terminating decimal expansion.
No. Standard deviation is the square root of a non-negative number (the variance) and as such has to be at least zero. Please see the related links for a definition of standard deviation and some examples.