4m2
4m2 is a compact notation that can refer to more than one concept depending on context. The most common interpretations are as a mathematical expression or as a unit of area written without spaces.
As a unit of area: When written as 4 m^2 (with the exponent), it signifies four square
In mathematics: As a polynomial term, 4m^2 represents four times the square of the variable m. It
As a brand or designation: Some companies use 4m2 as a brand name, product line, or project
In other contexts, related forms include m^2 and square meter, which are the standard mathematical and metrological