Question

$$8Cm5mm$$

Answer

$$40*Cm*m^2$$

Solution


Take out the constants.
\[(8\times 5)mmCm\]
Simplify  \(8\times 5\)  to  \(40\).
\[40mmCm\]
Use Product Rule: \({x}^{a}{x}^{b}={x}^{a+b}\).
\[40{m}^{2}Cm\]
Regroup terms.
\[40Cm{m}^{2}\]