Correct option is B
Combined correction = 0.0673 (d)²
d = 2.5 km
Combined correction = 0.0673 × (2.5)²
= 0.420 m
Combined correction = 0.0673 (d)²
d = 2.5 km
Combined correction = 0.0673 × (2.5)²
= 0.420 m