melissaerdem melissaerdem

15-08-2017
Mathematics

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Help plz.. Evaluate this expression: -(-(-(-1)))?
Thanks.

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apologiabiology apologiabiology

15-08-2017

negative times negative=positive
every pair of negative cancel out
-(-a)=a
so we can just keep flipping the signs
go inside to out

-(-(-(-1)))=
-(-(1))=
-(-1)=
1

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