a) \((-1/2)^3 = (-1/2) * (-1/2) * (-1/2) = -1/8\)
б) \((-2/3)^4 = (-2/3) * (-2/3) * (-2/3) * (-2/3) = 16/81\)
в) \((-5/4)^3 = (-5/4) * (-5/4) * (-5/4) = -125/64 = -1 \frac{61}{64}\)
г) \((-1 \frac{1}{2})^3 = (-3/2)^3 = (-3/2) * (-3/2) * (-3/2) = -27/8 = -3 \frac{3}{8}\)
д) \((-2 \frac{1}{3})^2 = (-7/3)^2 = (-7/3) * (-7/3) = 49/9 = 5 \frac{4}{9}\)
е) \((-1 \frac{2}{3})^3 = (-5/3)^3 = (-5/3) * (-5/3) * (-5/3) = -125/27 = -4 \frac{17}{27}\)