I'd use a light coloured pencil as my computer is black and I'll want to rub it off again afterwards; or on a piece of paper [lightly] stuck to my computer.
However, to store metres cubed in a file, it would depend upon the type of file
Chat with our AI personalities
Re-write it with a root. If the power of the expression is less than 1, for example x1/3, the expression could be rewritten as cube root of x.
The cube root is the side of a cube.
Well, the nets of the cube are basically when you get a 3D cube and flatten it. That gives you the 2D shape of a cube, which is know as the net. There are 11 nets for a cube. Here they are.
Most square roots, cube roots, etc. - including this one - are irrational numbers. That means you can't write them exactly as a fraction. Of course, you can calculate the cubic root with a calculator or with Excel, then find a fraction that is fairly close to it.
a cube