Respuesta :

1. parentheses                     your case you do -2/5=-0.4 then -3/4=-0.75 so it
2. exponents                         should look like -0.75-(-0.4)+0.4+(-0.75) next 
3. multiplication/division         add/subtract so it should look like -0.35+-0.35 
4. addition/subtraction           which equals -0.70

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