The radius of Earth's orbit is approximately 15,000,000,000 meters. The radius of Mercury's orbit is 5.8 × 109 meters. What is the difference of their radii?



A.4.3 × 1010



B.4.3 × 1011



C.9.2 × 109



D.9.2 × 1010



E.9.2 × 1011