Not sure about maening, but a unit set is a set containing only one element.
An empty set in math is called a null set.
bar modeling is math
The math unit pi (not pie!) is approx 3.14159 which is 314.159%
A unit is 1.
A set is a collection of distinct entities regarded as a unit, being either individually specified or (more usually) satisfying specified conditions.
idek
The unit set of x is the set whose sole member is x. The unit set is to be distinguished from its member: for example, the unit set of the set of days of the week has one member, but that member is itself a set that has seven members.
a cube that is equal to 1 unit....
unit x unit = square units
it is a unit.
yes