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Mathematics 17 Online
OpenStudy (anonymous):

help please

OpenStudy (anonymous):

OpenStudy (anonymous):

I believe it is 64 \[4\times4=16 \]\[4^{3}\]

OpenStudy (solomonzelman):

Yes, it is 64. Knowing that one of the surfaces (and they are all equal in a cube) is 16, you also know that (each) side is 4. So 4^3... YES !

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