Respuesta :
(4 x [tex]\sqrt{400}[/tex]) ÷ (4 x [tex]\sqrt{5}[/tex] =
(4 x 20) ÷ (4 x 2.23607) =
80 ÷ 8.94428 =
8.94426
The answer is 8.94. Hope that helps!
[tex]\dfrac{4\sqrt{400}}{4\sqrt5}=\dfrac{\sqrt{400}}{\sqrt5}=\dfrac{20}{\sqrt5}=\dfrac{20\sqrt5}{5}=4\sqrt5[/tex]