"Three charges, +2.5 microC, -4.8microC, and -6.3microC, are located at (-0.20m, 0.15m), (0.50m, -0.35m), and (-0.42m, -0.32m) respectively. What is the electric field at the origin?" Using the coordinates, I found that r12 = 0.0625 m2, r22 = 0.3725m2, and r32 = 0.2788m2. I then plugged that into the equation E = (kq)/r2, where k = 9 * 10^9. Using that I found: E1 = 3.6 * 10^5 N/C at 37º below the +x-axis. E2 = 1.2 * 10^5 N/C at 35º above the -x-axis. E3 = 2.0 * 10^5 N/C at 37º below the -x-axis. Then the final components of the total Electric Field is: Ex = 2.9 * 10^4 N/C Ey = -2.7 * 10^5 N/C However, the answer is 2.2 * 10^5 N/C for x, and -4.1 * 10^5 N/C for y. What am I doing wrong?