Here's a problem to solve: The average distance between Earth and the Sun is 149,600,000 kilometers. Which of the following is the correct scientific notation for this distance?

Among the 4 following options, which is the correct answer?

- A: 1.496 x 10^3 km
 
- B: 1496 x 10^5
 
- C: 149.6 x 10^6 km
 
- D: 1.496 x 10^8 km
 