Answer: 56
Step-by-step explanation:
Answer:
9-6.92820323i Nothing else can be done.
Step-by-step explanation:
-48 is not a perfect square but 81 is a square. When you try to square -48 it comes to be 6.92820323i.
Answer:
2
Step-by-step explanation:
You should multiply by 2, to make it perfect square & it's square root is 64