Seudónimo Seudónimo

30-09-2016
Mathematics

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The absolute value of a number is added to the original number. Kayla says the sum is always 0. Is she correct? Why

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Karazure Karazure

30-09-2016

The absolute value of a number is its distance from 0. The absolute value of -4 is 4, the absolute value of 4 is 4.
-4 + 4 is 0, so she's right there; but 4, + its absolute value, 4, is 8. This means that Kayla is incorrect.

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