A $4\mathrm{.}0$ cmcm $3\mathrm{.}0$ cmcm rectangle lies in the xzxz$-$plane.

What is the magnitude of the electric flux through the rectangle if E$=(140^250$k$^)$N$/$CE$=(140^250$k$^)$N$/$C$?$

Express your answer in newton meters squared per coulomb.

What is the magnitude of the electric flux through the rectangle if E$=(140^250^)$N$/$CE$=(140^250^)$N$/$C$?$

Express your answer in newton meters squared per coulomb.