a) (m^-3)^1/3 = m^(-3/3) = m^(-1)
b) (8x^-1 1/2)^2/3 = (8x^(-1/2))^2/3 = 8^(2/3) * x^(-1/3) = 4x^(-1/3)
a) (m^-3)^1/3 = m^(-3/3) = m^(-1)
b) (8x^-1 1/2)^2/3 = (8x^(-1/2))^2/3 = 8^(2/3) * x^(-1/3) = 4x^(-1/3)