Question

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 3×108 millimeters. Which distance uses the most appropriate units?(1 point)
Responses

3×105 meters
3 times 10 to the 5th power meters

3×107 centimeters
3 times 10 to the 7th power centimeters

3×108 millimeters
3 times 10 to the 8th power millimeters

3×102 kilometers

Answer 1

3 times 10 to the 2nd power kilometers

Answer 2

why