Rationalize the Denominator and Simplify $\frac{3}{\sqrt{10}}$ A) $\frac{3 \sqrt{10}}{10}$ B) $3 \sqrt{10}$ C) 103
D)

Rationalize the denominator and simplify.
- $\frac{3}{\sqrt{10}}$

A) $\frac{3 \sqrt{10}}{10}$
B) $3 \sqrt{10}$
C) 103
D) $\frac{9 \sqrt{10}}{10}$