GKFix MCQ Question

What is the gravitational constant G used in the mass calculations?

• A. 6.67×10⁻¹⁰ Nm²/kg²
• B. 6.67×10⁻¹¹ Nm²/kg²
• C. 6.7×10⁻¹¹ Nm²/kg²
• D. 6.6×10⁻¹¹ Nm²/kg²