4.5 x 4
You asked:
Evaluate the expression: \(4.5 \cdot 4\)
MathBot Answer:
\[4.5 \cdot 4 = 18\]
\[\begin{aligned}4.5 \cdot 4& = \left(4 + \frac{5}{10}\right) \cdot 4\\& = \left(4 + \frac{1}{2}\right) \cdot 4\\& = \frac{9}{2} \cdot 4\\& = 18\end{aligned}\]