The correct answer 27 mm^3 is the volume of the cube measureing 3 mm x 3 mm x 3 mm.
The cube's volume is 3 in x 3 in x 3 in = 27 mm ^3
The volume of a cube is calculated by multiplying its side by three. Thus, the volume of a cube can be expressed as Volume of cube = s ^3, where s is the cube's side length. A cube's volume is the space enclosed by its six faces. In contrast to 2d shapes, it has additional dimensions in addition to length and width, which are known as height and thickness. As a result, the volume of a cube equals the product of its length, width, and height.
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