Question

$<var>(-3)0-(-3)3</var>$

Answer 1

Seja $\text{L}=(-3)^0-(-3)^3$

 

Observe que:

 

$(-3)^0=1$

 

$(-3)^3=(-3)\cdot(-3)\cdot(-3)=-3^3=-27$

 

Logo, podemos afirmar que:

 

$\text{L}=1-(-27)=1+27=28$