Answer: (-4,-8)
Step-by-step explanation: I got a 100% on the quiz
You should search it up on Photomath is easier
Honestly I don’t even know
Answer:
4.2846*10^2
Step-by-step explanation:
428.46
4.2846*10^2 hopefully
Answer:
±3i
Step-by-step explanation:
Given the value ±√-9, we are to express the value using the imaginary number 'I'
±√-9 = ±√9×-1
= ±√9 × √-1
In complex number, √-1 = i
The expression becomes;
±√9 = ±3 × i
±√9 = ±3i
Hence the value in simplified form is ±3i