Mass is actually a physical concept and is a measure of the amount of matter in an object.
In maths matter normally refers to the mass of an object
A expression in maths is a collection of terms without an equality sign.
Its maths
"tenth"
division
What symbol
mean no
Adding
Related to.
circle
direction
The mean is usually the arithmetic mean - there are other means in maths. For a set of numbers, the arithmetic mean is the sum of the numbers divided by the number of numbers.