Convert the point (x,y,z)=(2,0,4)\displaystyle {\left({x},{y},{z}\right)}={\left({2},{0},{4}\right)} to spherical coordinates. Give answers as positive values, either as expressions, or decimals to one decimal place.

(ρ,θ,ϕ)=\displaystyle {\left(\rho,\theta,\phi\right)}=