circle
direction
Related to.
Adding
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.
740 K could mean: 740,000 (number: the "k" stands for "thousand") 740 degrees k (temperature) 740 * k (in maths, to multiply 740 and k together)
kilometer
Kilogram, kilometer and kilowatt are math terms. They begin with the letter k.
A expression in maths is a collection of terms without an equality sign.
"tenth"
What symbol
division
circle
direction
Related to.
Adding
Angles with the same measure - or, if you are into higher maths, those that differ by 360*k degrees or 2*pi*k radians, where k is an integer.