Gravitational force Fg = Gm1m2r2\;\frac{Gm_1m_2}{r^2}r2Gm1m2 = 6.67N
m1m_1m1 = 1024^{24}24kg, m2m_2m2 = 1027^{27}27kg, G = 6.6 x 10−11^{-11}−11Nm2^22kg−2^{-2}−2 and r = ?
6.67 = 6.6×10−11×1024×1027r2\;\frac{6.6\times10^{-11}\times10^{24}\times10^{27}}{r^2}r26.6×10−11×1024×1027
6.67r2^22 = 6.6 x 1040^{40}40
r2^22 = 6.6×10406.67\;\frac{6.6\times10^{40}}{6.67}6.676.6×1040 ≈\approx≈ 9.89 × 1039^{39}39
r = 9.89×1039\sqrt{9.89\times10^{39}}9.89×1039 ≈eq\approx\text{eq}≈eq 9.94 × 1019^{19}19m → 1.0 x 1020^{20}20m
