Answer:
9/x^4
Step-by-step explanation:
You use the rule of exponents to simplify the expression.
9 over x ^4
1)3^2(x^-2)^2
2)9(x^-2)^2
3)9x^-4
4)9 * 1 over x^4
5)Answer is 9 over x^4
6
Around 8.8
This problem requires the Pythagorean Theorem. We are given the hypotenuse and a leg, so we can plug in what we know.