1. Significant Figures Packet

2. Write in Scientific Notation
600 = 6 x = x x 10-4 = 2.6 x = x = x = 9.42 x = 1 x x 10-3 = 5.1 x = x = 4 x 10-5

3. Adding & Subtracting. Dividing in Scientific in Scientific Notation
Adding & Subtracting Dividing in Scientific in Scientific Notation Notation
= 6.9 x 10-3 = 8.7 x 10-8 = 2 x 102 = 3.5 = 8.71 x 102
= 7.11 x 105 = 5.5 x 106 = 2.4 x 104 = -6 x 103 = 8.8 x 107

4. Multiplying in Dimensional Analysis Scientific Notation
10,000 sec cg
12 lbs
90. in
11,000 hr
20 x 1023
4.2 moles
100 L
4.46 moles
1.3 x 1024
190 L
7.5 L
= 7.3 x 107 = x 108 = 5 x 1010 = 1.1 x 108 = 4.9 x 1011

5. Factor Labeling Metric Conversions (I)
1,360 J Kg mm
120. Kpa mm Km
2.50 x ,931,000 mm m
0.839 atm cm Kg
28,500 mL 625,000 mg 2,226 mg
30,300 cal 1,027 m 8,557,000 mg
3.05 mL ,000 mg 4,616 mg
1.50 atm Km 3,901,000 mg
571 K mm cm
-40. °C 4,838 mL Kg

6. Metric Conversion (J) Percent Error
4,657 mL g 1) 4.0% cm 6,958,000 mg 2) 13% 1.13 m 479 g 3) 7.5% mm g 4) 9.9% L cm 5) 5.03% Km cm 6) 3.0% m 7,159 m m 1,094,000 mm Km 6,204 g 665 mL mm

7. Density Solid exception ice 4.2 g/mL 7,650 mL 280 g 160 mL 1.3 g/mL
10. No, density = 6.0 g/mL
g/mL
12. Aluminum
13. Nitrogen
g/mL
15. Scandium