1. Chapter 8 Factor – Label Method Part 1

2. 24 in. = ___ ft.

3. You have just used a conversion factor.

4. Conversion Factor A relationship between two units expressed in fractional form

5. Conversion Factors A conversion factor is a ratio: 12 inches or 1 foot 1 foot 12 inches

6. Factor Label Method Method of converting from one unit to another using conversion factors

7. 24 in. = ___ ft. We can solve this problem using factor label method.

8. PrefixSymbolValuePowerUse GigaG 1,000,000,000 10 9 Gigabyte MegaM1,000,00010 6 Megawatt kilok1,000 10 3 kilometer decid0.110 -1 decigram centic0.01 10 -2 centimeter millim0.001 10 -3 milliliter micro  0.00000110 -6 microsecond nanon0.00000000110 -9 nanometer Prefixes in the Metric System

9. An Example of a Metric Conversion Factor 1000 m = 1 kmThis can be written as the factors...

10. An Example Problem … Convert 10.83 cm to meters using the Factor Label Method.

11. Convert 10.83 cm to meters 10.83cm

12. Convert 10.83 cm to meters 10.83cm cm

13. Convert 10.83 cm to meters 10.83cm cm m

14. Convert 10.83 cm to meters 10.83cm cm m0.01

15. Convert 10.83 cm to meters 10.83cm cm m0.01 = 0.1083 m

16. Convert 152dg to mg 152dg

17. Convert 152dg to mg 152dg dg

18. Convert 152dg to mg 152dg dg g

19. Convert 152dg to mg 152dg dg 0.1g

20. Convert 152dg to mg 152dg dg 0.1g

21. Convert 152dg to mg 152dg dg 0.1g g

22. Convert 152dg to mg 152dg dg 0.1g g mg

23. Convert 152dg to mg 152dg dg 0.1g g mg 0.001

24. Convert 152dg to mg 152dg dg 0.1g g mg 0.001 = 15,200mg

25. Convert 6896s to weeks 6896s

26. Convert 6896s to weeks 6896s 60s min

27. Convert 6896s to weeks 6896s 60s min 60min hr

28. Convert 6896s to weeks 6896s 60s min 60min hr 24hr day

29. Convert 6896s to weeks 6896s 60s min 60min hr 24hr day 7 days week

30. Convert 6896s to weeks 6896s 60s min 60min hr 24hr day 7 days week = 0.01140 weeks

31. Convert 150.0 mg/hr to cg/year

32. 150.0mg hr

33. Convert 150.0 mg/hr to cg/year 150.0mg hr 0.001g mg

34. Convert 150.0 mg/hr to cg/year 150.0mg hr 0.001g mg0.01g cg

35. Convert 150.0 mg/hr to cg/year 150.0mg hr 0.001g mg0.01g cg24 hr day

36. Convert 150.0 mg/hr to cg/year 150.0mg hr 0.001g mg0.01g cg24 hr day 365 days year = 131,400 cg/year

37. How many minutes does it take light to reach us from the sun which is 93,000,000 miles distant. The following information will be useful: –speed of light = 3.0 x 10 8 m/s –1km = 0.6214 mi