Practice - Scientific Notation, Rounding, and Significant Figures

5. What is the number of significant figures in each of the following measured quantities?
   1. 122 g - Answer: 3
   2. 0.002796 s - Answer: 4
   3. 8.07 m - Answer: 3
   4. 0.001040 L - Answer: 4
   5. 5.77590 x 10^-4 cm³ - Answer: 6
   6. 3,480,200 s - Answer: 5
   7. - 1.200°C - Answer: 4
   8. 1.0800 x 10^-2 L - Answer: 5
   9. 3.141 cm - Answer: 4
   10. 1000. m - Answer: 4