Question

what I cubical expansion​

Answer 1

ANSWER❤

cubical expansion:-

physics) The increase in volume of a substance with a change in temperature or pressure

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Hope it's helps you mate ❤

Answer 2

In physics:

The increase in volume of a substance with a change in temperature or pressure.

In Maths:

It's just expanding a cube number.

eg:3^3=3*3*3=27

Hope it helps you buddy.