None of these answers are correct...
Applying the law of universal gravitation, we have
F = G m₁ m₂ / R²
where
G = 6.67 × 10⁻¹¹ N•m²/kg²
m₁ = 1.7 × 10³⁰ kg
m₂ = 5.5 × 10²⁰ kg
R = 2 × 10⁵ m
→ F = (6.67 × 1.7 × 5.5)/2² × 10⁻¹¹⁺³⁰⁺²⁰⁻¹⁰ N
→ F ≈ 15.59 × 10²⁹ N
→ F ≈ 1.6 × 10³⁰ N
