The question we are tackling on this page: What is the absolute value of negative 642 or -642?
When you ask, "What is the absolute value of -642?" you are asking for the answer to the following problem:
|-642| = ?
The absolute value of -642 is the distance between -642 and 0 on a number line. See illustration below where -x is -642:

Since the distance between -642 and 0 on a number line is 642, we get the answer as follows:
|-642| = 642
Note that the absolute value of -642 can also be written as abs(-642) which may be useful to know if you have a good calculator.
Absolute Value of -641
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