Question

PLEASE HELP ASAPP!!!!!!!!!!!!!!!!!!!!

Answer 1

$10x^2y^{-2}=\dfrac{10x^2}{y^2}\\\\\\ \dfrac{10\cdot(-1)^2}{(-2)^2}=\dfrac{10\cdot1}{4}=\dfrac{10}{4}=\dfrac{5}{2}=\boxed{2\dfrac{1}{2}}$

Answer D)