Janiya is taking a road trip. The distance she plans to travel can be written as 3 × 102 kilometers, 3 × 105 meters, 3 × 107 centimeters, or 3 x 10% millimeters. Which distance uses the most appropriate units? (1 point)

The most appropriate unit for a road trip would be kilometers. Therefore, the distance written as 3 × 10^2 kilometers is the most appropriate unit for Janiya's road trip.