Question 1045409
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Write each specification as an absolute value inequality. -2.5 is less than or equal to "a" which is less than or equal to 2.5  
please help me don't just give me the answer can you explain ? 
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As I understand the problem, you are given

   -2.5 < a < 2.5,   (1)

and they ask you to write it using absolute value.


It is 

|a| < 2.5.


It is equivalent to (1).
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