Step 1:

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The side of a cube $\"\"$ mm.

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The surface area of a cube $\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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Surface area of the cube is $\"\"$ mm².

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Volume of a cube is $\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$ .

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The volume of cube is $\"\"$ mm³.

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Solution:

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Surface area of the cube is $\"\"$ mm².

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The volume of cube is $\"\"$ mm³.

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