Across
1
Difference between highest and lowest values
4
Result of raising a number to an exponent
6
Collection of distinct elements
7
Amount of space an object occupies
9
Sum divided by count
10
Distance from center to edge of circle
11
Value that does not change
12
Power to which a number is raised
13
Comparison of two quantities
Down
2
Part of a circle's circumference
3
The number representing nothing
4
Number greater than zero
5
Corner point of a polygon
8
Part of a whole number