Question

$\frac{(9^{-4)^{2} }}{9 ^{-10} }$

Answer 1

(9⁻⁴)²/9⁻¹⁰=9⁻⁸/9⁻¹⁰=1/9⁻²=81.

Answer 2

(9⁻⁴)²/9⁻¹⁰=9⁻⁸/9⁻¹⁰=1/9⁻²=81. он прав