Question

evaluate :(3^-1×9^-1)÷3^-2​

Answer 1

Answer:

1/3 Or 3^-1

Step-by-step explanation:

$( {3}^{ - 1} \times {9}^{ - 1} ) \div {3}^{ - 2} \\ = > ( \frac{1}{3} \times \frac{1}{9} ) \div {3}^{ - 2} \\ = > (\frac{1}{27} ) \div \frac{1}{ {3}^{2} } \\ = > \frac{1}{27} \times 9 \\ = > \frac{1}{3}$