[tex] - {3}^{3} = - 27[/tex]
[tex]( - 4) {}^{3} = - 64[/tex]
[tex]( - 4) {}^{4} = 256[/tex]
[tex]( - 7) {}^{2} = 49 \\ [/tex]
[tex] - {7}^{2} = - 49[/tex]
