Antonio Asks, "When I Multiply [E $\begin{array} { r } 49 \\\underline{\times 23 }\\147 \\\underline{980} \\ 1127\end{array}$

Short Answer

Antonio asks, "When I multiply [e.g., 49 × 23, shown below], why do I have to put in the 0 [points to the zero in 980]?" What would you say to Antonio? $\begin{array} { r } 49 \\\underline{\times 23 }\\147 \\\underline{980} \\ 1127\end{array}$