Evaluate the Expression $$\left( \begin{array} { l } 6 \\4\end{array} \right)$$

Multiple Choice

Evaluate the expression. $$\left( \begin{array} { l } 6 \\4\end{array} \right)$$

A) 15
B) $\quad 2$
C) 1,440
D) $\quad 720$
E) none of the above