Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\begin{aligned}30.48&\\ \underline{\times5.8}&\end{aligned}$$

Answer

278.4

Solution


Use the algorithm method.
48
×5.8
36
38.4
24
240.0
278.4
Therefore, \(48\times 5.8=278.4\).
\[278.4\]
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