# 6.67×5.98 = 39.8866 10^-11×10^24 = 10^13 39.8866/6.978 = 5.716050444 10¹³/10⁶ = 10⁷ sqrt(5.716050444×10⁷) = 2.39082631x10^3.5 = (2.39082631×10^0.5)×10^3 = 7.560456629×10³ ≈ 7.56×10³