Answer:
646,880
Explanation:
Start with your exponents.

Next, multiply within your parentheses.

Finally, multiply your two terms against each other.

So, I haven't really seen this question I think but in my class when we had science before we learned about Kinetic and Potential energy. So, my most best answer I can give is most likely Kinetic Energy. Sorry if it's wrong. Hope this helps! ^^
Hey You!
It lasts about 90 minutes for a normal person.
Answer:
We have the atmosphere protecting us
Explanation:
There are different layers of the atmosphere that help us survive such as the ozone layer which blocks most uv rays from the sun causing us to burn less easily