Answer:
The correct option is C: I = 10⁸I₀.
Step-by-step explanation:
The function of the Richter scale is:

Since the magnitude of the earthquake is 8.0, the relation between the intensity, I, with the intensity of the threshold quake, Io, is:



Therefore, the correct option is C: I = 10⁸I₀.
I hope it helps you!
Question: What is seven times twenty
Answer: Seven times equals to 140
Answer:
3·(x - 14) + 1 = - 4·x + 5
3·x - 42 + 1 = - 4·x + 5
3·x - 41 = - 4·x + 5
7·x - 41 = 5
7·x = 46
x = 46/7
Answer:
a=8 , y=5
if it is correct can you pls mark me brainliest
Your answer is 4. 2^2 is 4 and you minus 8 by that 4.