Answer:
Step-by-step explanation:
I agree only if you have even powers -- even negative ones.
1/i^2 = 1/-1 = - 1
i^0 also gives 1 So far no problem.
It is when you consider the odd numbers that you don't get 1 or -1
You get either -i or i
i^(4n + 1) = i
i^(4n - 1) = -i
Answer:
15.70
Step-by-step explanation:
2×3.14×10(90÷360)=15.70
