Lag1989 problem number 5.4

Determine the mass M of the Sun from the following data: the gravitational constant G = 6.67 * 10⁻ˡˡ m³ / (kg · s²); distance from the Earth to the center of the Sun T = 1.5 * 10ˡˡ m; the period of the Earth’s orbit around the Sun is T = 3.16 * 10⁷ s;