[tex]{( - 1)}^{3} = ( - 1) \times ( - 1) \times ( - 1) = - 1[/tex]
[tex] {( - 7)}^{2} = ( - 7) \times ( - 7) = 49[/tex]
[tex] {( - 4)}^{4} = ( - 4) \times ( - 4) \times ( - 4) \times ( - 4) = 256[/tex]
[tex] {( - 5)}^{3} = ( - 5) \times ( - 5) \times ( - 5) = - 125[/tex]
