Math Skills - Velocity

1. 298,000 m
2. 1,978.8 m ~ 2000
3. 399.3 km ~ 400 km
4. 237.6 km ~ 240 km
5. 30.0 s
6. 4.9 hr
7. 2.914 hr
8. 1772 s ~ 2000 s
9. 31.2 m/s
10. 2.03 m/s ~ 2 m/s
11. 57.2 km/hr
12. 131 km/day ~ 130 km/day
13. 0.0375 m ~ 0.038 m
14. 18 000 cm/s = 180 m/s
15. 52,275 s = 871 min = 14.5 hr
16. 3870 km
17. 1.14 *10-9km/hr ~ 1 billionth km/hr
18. 104 hr
19. 123 hr ~ 120 hr
20. 1.45 * 1012 km ~1,450,000,000,000 km; sig figs: 1,000,000,000,000 km