jmc

The pattern of Pascal's triangle is illustrated in the diagram shown. What is the fourth element in Row 15 of Pascal's triangle? $$\begin{array}{ccccccccccccc}\text{vspace}0.1in\text{Row 0}:& & & & & & 1& & & & & & \\ \text{vspace}0.1in\text{Row 1}:& & & & & 1& & 1& & & & & \\ \text{vspace}0.1in\text{Row 2}:& & & & 1& & 2& & 1& & & & \\ \text{vspace}0.1in\text{Row 3}:& & & 1& & 3& & 3& & 1& & & \\ \text{vspace}0.1in\text{Row 4}:& & 1& & 4& & 6& & 4& & 1& & \end{array}$$