Respuesta :

Answer:

8i

Step-by-step explanation:

-(root of 64)


but if you mean


root of -64 then it's 8i if you have learned complex numbers

can i get brainliest ;)

Answer:

8i.

Step-by-step explanation:

The square root of 64  is 8.

Recall that √(-1) = i.

Square root of -64  =  √ 64 *√(-1) = 8i .