Answer:
5^(3)i^(9)= five cubes times i to the power of 9=125i
Step-by-step explanation:
Raise 5 to the power of 3
rewrite i9 as (i^4)2^i
so, you get 125((i^4)^2i)
i^4=1
125(1^2i)
125i
26 , 8-6=2 so you do 24+6
Answer:
x = 7
Step-by-step explanation:

I hope this helps for question a=16
I hope this helps for question b=12
I think the answer is 1.06666666667