babyfieloLane babyfieloLane

01-07-2016
Mathematics

contestada

What is |9|?
a. –9
b. 0
c. 9
d. 18

Respuesta :

01-07-2016

The answer is "c".

|a|=a (if a>0, a=0)
|a|=-a (if a<0)

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