[tex]\text{The product of 5 and 8}\sqrt{200}[/tex][tex]\begin{gathered} \text{This implies that: 5 }\times\text{ 8}\sqrt{2\times100} \\ =\text{ 40}\times10\text{ }\times\sqrt{2} \\ =\text{ 400}\times\sqrt{2} \\ =\text{ 400}\sqrt{2} \end{gathered}[/tex]
