Final answer:
Mercury's closest approach to the Sun is 46,000,000 km away, and its farthest distance is 69,800,000 kilometers away. The distance range can be written in scientific notation as A) 4.6 x 10^7 km to 6.98 x 10^7 km.
Step-by-step explanation:
The distance range between Mercury and the Sun can be written in scientific notation as A) 4.6 x 10^7 km to 6.98 x 10^7 km. This means that Mercury's closest approach to the Sun is 46,000,000 km (4.6 x 10^7 km) away, and its farthest distance is 69,800,000 kilometers (6.98 x 10^7 km) away.