3²×9-²..........????

3^2 × 9^-2
=3^2 × 1/9^2
=9 × 1/81
=9/81
=1/9

Semoga bisa membantu...

[tex] {3}^{2} \times {9}^{ - 2} \\ 9 \times 81 \\ 729[/tex]
semoga membantu