Across
1
Exact correspondence on both sides
5
The number representing nothing
6
Number divisible only by 1 and itself
8
Power to which a number is raised
10
Difference between highest and lowest values
Down
1
Steepness of a line
2
Corner point of a polygon
3
Number with digits after a point
4
Round shape with all points equidistant
6
Result of raising a number to an exponent
7
Rectangular array of numbers
9
Rectangle with four equal sides