Question

square root of (-72) then all ^3

Answer 1

\[\sqrt{-72}^3\]

Answer 2

sqrt(-72)^3 = - 610.940259 i

Answer 3

Think of it as -72^(3/2), because square root is just x^(1/2), and 3 * (1/2) = 3/2.
So (-72)^(3/2)