Rationalize the Denominator and Simplify $\sqrt{\frac{81}{10}}$ A) $\frac{9 \sqrt{10}}{10}$ B) $\frac{81 \sqrt{10}}{10}$ C) $9 \sqrt{10}$

Multiple Choice

Rationalize the denominator and simplify. A ssume all variables represent nonnegative real numbers.
- $\sqrt{\frac{81}{10}}$

A) $\frac{9 \sqrt{10}}{10}$

B) $\frac{81 \sqrt{10}}{10}$

C) $9 \sqrt{10}$

D) 109