Problem
Multiply. \[ \begin{array}{r} 7.89 \\ \times \quad 6.5 \\ \hline \end{array} \]
Solution
Step 1 ：\(7.89\times 6.5=\frac{789}{100}\times \frac{65}{10}\)
Step 2 ：\(\frac{789\times 65}{1000}\)
Step 3 ：\(\frac{51285}{1000}=51.285\)
