The volume (in m3) of a cube, each of whose edges is 36 m, is:

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The volume (in m3) of a cube, each of whose edges is 36 m, is:

Answer: B. 46656ConceptFor a cube of edge length a, all three dimensions are a, so its volume is V = a3 = a × a × a. Volume is measured in cubic units because three lengths…

  1. A.

    46483

  2. B.

    46656

  3. C.

    46472

  4. D.

    46790

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Show answer & explanation

Correct answer: B

Concept

For a cube of edge length a, all three dimensions are a, so its volume is V = a3 = a × a × a. Volume is measured in cubic units because three lengths are multiplied.

Application

  1. Set the edge length: a = 36 m.

  2. Square the edge: a2 = 36 × 36 = 1,296.

  3. Multiply by the edge once more: a3 = 1,296 × 36 = 46,656.

  4. Therefore, V = 46,656 m3.

Cross-check

Since 36 = 62, we also have 363 = 66 = (63)2 = 2162 = 46,656, confirming the result independently.

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