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 .