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27-06-2017
Mathematics

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Describe and correct the error : |-13| - |13| = -13 - 13 = 26

Respuesta :

27-06-2017

First,
|-13| represents the absolute value of the number 13. Absolute values cannot be negative. So |-13| cannot become -13, it would become 13.

So,
|-13| - |13| = -13 - 13 = 26 would become
|-13| - |13| = 13 - 13 = 0

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