Einstein went on to present his findings mathematically: energy (E) equals mass (m) times the speed of light (c) squared (2), or E=mc2. The secret the equation revealed—that mass and energy are different forms of the same thing—had eluded scientists for centuries.
Do the formula length times width times height.
Then, round like you normally would!
And for the second one, just multiply 2.5 x 6!
Answer:

Step-by-step explanation: