Given that average speed is distance traveled divided by time, determine the values of m and n when the time it takes a beam of light to get from the sun to the earth (in s) is written in scientific notation. note: the speed of light is approximately 3.0×108 m/s.

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.