Question

please solve this

${9}^{2} \div \frac{1}{5 {}^{ - 2} }$
I want correct answer​

Answer 1

Answer:

${9}^{2} \div \frac{1}{ {5}^{ - 2} } \\ \\ = 81 \times \frac{ {5}^{ - 2} }{1} \\ \\ = 81 \times \frac{1}{ {5}^{2} } \\ \\ = \frac{81}{25}$