melissaerdem
melissaerdem melissaerdem
  • 15-08-2017
  • Mathematics
contestada

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

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apologiabiology
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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