Question

Answer keys r in bottom (8th grade math) i think u have to simplify it or smth

Answer 1

`\boxed{11} \\\\\\ \cfrac{(-21)^(-4)\cdot (-4)^0 }{3^(-5)\cdot 7^(-9)}\implies \cfrac{(-21)^(-4)\cdot 1 }{3^(-5)\cdot 7^(-9)}\implies \cfrac{(-21)^(-4)}{3^(-5)\cdot 7^(-9)}\implies \cfrac{3^5\cdot 7^9}{(-21)^4}`