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The sides of a cube are DOUBLED in length. How many times larger is the SURFACE AREA of the new cube? *

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size of original cube ====> x by x by x
surface area = 6x^2

new cube ====> 2x by 2x by 2x
new surface area = 6(2x)^2
= 24x^2

which is 4 times the surface area of the original.

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