By scientific notation I am assuming you mean standard form, as that is used primarily in scientific calculations. The answer in standard form would be

I hope this helps!
It is 2i I standing for imaginary since it is a negative
square root of -1×4
4 square rooted is 2
and a negative number square rooted is i
I hated probability in middle school. I'm not 100% sure but I would go with the 3rd answer choice, 3/100.
Answer:
y=
Step-by-step explanation:
Hope this helps!