A rectangular prism has a height of 3, a length of 4, and a width of 12, what is the surface area?

It would be 144 to the 2 power

The formula for the surface area of a rectangular prism is 2 (wl + hl + hw)

So first we multiply the width by the length.

12 x 4 = 48

Now we multiply the height by the length.

3 x 4 = 12

Now we multiply the height by the width.

3 x 12 = 36

Now we add all of our answers together.

48 + 12 + 36 = 96

And now we multiply it by 2.

96 x 2 = 192

So the surface area of the rectangular prism is 192.