Respuesta :

Answer:

The absolute value or modulus of a real number x (denoted by |x| ) , is the non-negative value of x without regard to its sign.

3) |0| = 0

6) |-7| - |4|

=> 7 - 4 = 3

9) - | -101 | = -101

12) |8| - |-7|

=> 8 - 7 = 1