Answer:
8^-2a^7 = a^7/8^2 = a^7/64
Step-by-step explanation:
You know that it's a bot when it says "explanation in file".
They forgot to put a question, there's nothing to answer...
Answer: 16%
Step-by-step explanation:
168.2 - 145 = 23.2
23.2/145 = 0.16
0.16 as a percent is 16%
Remember
i²=-1 so
i³=-i
i⁴=1
so
5i⁴+2i³+8i²-4
5(1)+2(-i)+8(-1)-4
5-2i-8-4
-7-2i is the form
