Earth is approximately 9.3 × 10^7 miles from the sun. Saturn is approximately 8.87 × 10^8 miles from the sun. About how much farther is Saturn from the sun than Earth is? A. 7.94 × 10^7 miles B. 7.94 × 10^8 miles C. 4.3 × 10^7 miles D. 4.3 × 10^8 miles