A popular amusement park has had 199, 792, 458 visitors since it opened. Which number in scientific notation, is the best approximation of the number of visitors.
1. 0.2 x 10^7
2. 2.0 x 10^8
3. 0.2 x 10^8
4. 2.0 x 10^7
1. 0.2 x 10^7
2. 2.0 x 10^8
3. 0.2 x 10^8
4. 2.0 x 10^7