I think it’s second but I’m not quite sure
Answer:
You need to include the statements for an answer or i cannot provide one.
Explanation:
They both were materialized as special infracture for the base of the mount
I hope this helps, if not I am sure there other images on google.
C. 6.81x10^-4
It is negative 4 because the 6 is 4 digits away from the first 0.
Scientific notation has one number and then the decimal place so it can not be A or E.