A $7{10}^{-6}C$ charge is at the origin. At a point $(x,y)=(1\mathrm{.}7,0)m,$ what is the magnitude of the electric field due to this charge?

N$/$C

At what location $x$ along the $x-$axis will the electric field equal $8\mathrm{.}0657{10}^4\frac{N}{C}?$

m