Answers: 0.08 and -0.08; 0.09i and -0.09i.
When taking square roots, we take the positive and negative answers. This gives us the first answer.
For the second answer, we rewrite -0.0081 as a complex number:
1 variation is good and the other is bad
Answer:

Step-by-step explanation:
If you have any questions feel free to ask in the comments.