alleryA child stacks unit cubes (side 1 cm) to make a larger cube of side 4 cm. The number of unit cubes used is:
A16
B48
C64
D128
Answer & Solution
Correct answer: C. 64
A cube of side 4 cm has volume 4³ = 64 cm³.
Each unit cube has volume 1 cm³, so 64 unit cubes are needed.
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