error difference

[george22]

i need help with this problem. i am trying to decide which numbers are the closest to a 5% error using the formula: p/100 = | a - m | / a

The numbers are
I. 9500
II. 10000
III. 10500
Iv. None

any help would be appreciated.

 

[Gene]

I may be wrong, but it seems there must be more to the problem. Like what is a?
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Gene