Talk:LaTeX:Downloads

What is the value of \[(1223334444\cdots FFFFFFFFFFFFFFF_{16})_{10}\mod 10\] given that $x_y$ denotes the value of $x$ in base $y$ and there is one $1$, two $2$s, three $3$s, four $4$s, $\cdots$, fourteen $E$s, and fifteen $F$s? Express your answer in base $10$.