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