Question

What is 3 root of − 216 end root

Answer 1

\[\sqrt[3]{-216}\]

Answer 2

It should be negative 6/ -6.

Answer 3

okay thanks @blackwid0w

Answer 4

what number times itself 3 times = -216 ?
we could try -2: -2*-2*-2 = 4*-2= -8 which is clearly wrong
or -10: -10 * -10 * -10 = 100 *-10 = -1000

-2 is not enough and -10 is too much
you could test other numbers, example: -5 or -6