A probe orbiting Venus exerts a gravitational force of 2 point 5 8 times 10 cubed cap n on Venus. Venus has a mass of 4 point 8 7 times 10 to the 24th power kilograms The mass of the probe is 655 kilograms. The gravitational constant is 6 point 6 7 times 10 to the negative 11 power cap n to the th power times the fraction with numerator m squared and denominator kg squared