The absolute value of a number is the distance (positive) of the number from zero.
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The only number whose absolute value is zero is zero. This is because a number's absolute value is its distance from zero on the number line.
The absolute value of zero is zero. The absolute value of any other real number - or even of any other complex number - is different from zero.
the absolute value
Absolute Value
The absolute value of a number is its distance from zero on the number line, regardless of direction. For the number -9, the absolute value is 9, as it is 9 units away from zero. Therefore, the absolute value of -9 is 9.