Respuesta :

10.4 as a mixed number would have a 10 as a whole number. 0.4 = 40/100; simplify that and you have 2/5. Your complete mixed number is 10 2/5.

Hope this helps!
Astute
Hey there!

10.4 as a mixed number would be [tex]\boxed{\boxed{ 10\frac{2}{5} }}[/tex]

Hope this helps.
~Jurgen