Answer:
-.5 < a < .5 is equivalent to |a| < .5.
Step-by-step explanation:
Given expression is:
|a| < .5
As we know that
If |x| < b then -b < x < b.
In question statement, we observe that
x = a and b = .5
If |a| < .5 then -.5 < a < .5
-.5 < a < .5 is equivalent to |a| < .5.
