M represents units of mass, and c2 is the speed of light squared, or multiplied by itself. it is equal to energy.
the equation says that energy and mass (matter) are interchangeable; they are different forms of the same thing.
The reason how it is related to the speed of light is that energy, be it light waves or radiation, travels at the speed of light.
The correct answer for the question that is being presented above is this one: "B) the peripheral route to persuasion." They know there's no way they can logically convince someone to pay an exorbitant price for Ethan and Ethan Femme; instead, they will need to rely on<span> the peripheral route to persuasion.</span>
1 million is 1 x 10^6
1 billion is 1 x 10^9
1 trillion is 1 x 10^12
So 12 trillion miles is 12 x 10^12 which converts to 1.2 x 10^1 x 10^12 = 1.2 x 10^13