x^-2
r2 or r to the power 2 or just r squared.
63% / .63
4/10
It is 16.
16
42
1 and 11 over 100.
9 squared is another way of stating the equation 9 X 9, and 10 squared is another way of stating the equation 10 X 10. Find the answers to these equations, add them together, and you will have the answer.
.75 or 3/4 or 75%
2/3 or .6 repeated.
2/3 or two thirds
7 over 10 7\10