Answer:
4 times with a remainder 3
Step-by-step explanation:
7 * 4 = 28
28+3=31
Answer:
k=39
Step-by-step explanation:
-30 + k = 9
k=9+30
k=39
If i = √-1 ,
then ...
i² = (√-1)² = -1
i³ = - √-1 = -i <== the answer to the question
i⁴ = (i²) · (i²) = (-1) · (-1) = 1
and then the whole thing starts over again, for higher powers of i .