-3 sqrt -27, (3sqrt -27)^2,(-3sqrt-8)^5,(3sqrt64)^2,(-3sqrt-27)^4
-3√-27 = -3*√-3*9 = -3*3i = -9i
(3√-27)^2 = (3*(-3i))^2 = (-9i)^2 = 81
(-3√-8)^5 = (-3*√-8)^5 = (-3*2i)^5 = (-6i)^5 = -6^5 * i^5 = -7776i
(3√64)^2 = (3*8)^2 = 24^2 = 576
(-3√-27)^4 = (-3*√-27)^4 = (-3*3i)^4 = (-9i)^4 = 81^2 = 6561