The volume of the paperweight is 81 in³
The volume of a cube is :
The smaller cube = a × a × a = 3³ = 27 in³
The larger cube:
This gives ;
2(3) × 3 × 3
6 × 3 × 3
= 54 in³
The total volume : 27 in³ + 54 in³ = 81 in³
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