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A large cube with an edge of 8 cm is made from the least possible number of centicubes. Although the
object looks solid, it is hollow inside. How many centicubes are needed to make the object?

 Mar 3, 2021
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If it were SOLID it would be made of   8 x 8 x 8  cubes  = 512

   to make a hollow shell you have to remove a 6 x 6 x 6 core = 216

 

512 - 216 = 296 cubes remain

 Mar 3, 2021

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