Match the equivalent expressions. \begin{array}{ll} \text{Left Column} & \text{Right Column} \\ \hline 2 \text{ groups of } 8 & 2 \text{ fives} \\ 8 + 8 + 8 + 8 + 8 & 5 \times 8 \\ 2 \times 5 & 8 + 8 \end{array}