Question

Evaluate: (3^-1×9^-1)÷3^-2

Answer 1

Answer:

ans =3

Step-by-step explanation:

(3^-1 ×9^-1)÷ 3^-2

(1/3^1×1/9^1) ÷ 1/3^2

1/3×1/9×3/1×3/1

=3