The speed of light is c≈3×108 m/sc \approx 3 \times 10^8 \text{ m/s}c≈3×108 m/s. Express this in Gigameters per second\text{Gigameters per second}Gigameters per second (1 Gm=109 m1 \text{ Gm} = 10^9 \text{ m}1 Gm=109 m).
0.3 Gm/s0.3 \text{ Gm/s}0.3 Gm/s
300 Gm/s300 \text{ Gm/s}300 Gm/s
3 Gm/s3 \text{ Gm/s}3 Gm/s
0.03 Gm/s0.03 \text{ Gm/s}0.03 Gm/s