nezitalol nezitalol

16-09-2015
Mathematics

contestada

Simplify the expression:
-l-4 l

Respuesta :

16-09-2015

The | | means absolute value

So, any negative or positive number in absolute value will ALWAYS come out positive.

|-4| = 4

But that's only half the question.

- |-4| = - (4) = -4

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