Tyler simplified the expression x^-3 y^-9. his procedure is show below. x^-3y^-9=1/x^3•1/y-9=1/x^3y^-9 what is tyler error? ! a. both powers should be in the numerator with positive exponent b. both powers should be in the dominator with positive exponent c. the power x^3 should be in the numerator and the power y^9 in the denominator d. the power y^9 should be in the numerator and the power x^3 in the denominator pls me! ❤️