Name:__________________________ Date:____________________ Significant Figures Determine the number of significant figures in each of these numbers. Number Significant Figures Significant Figures Number 1. 357 2. 10000 3. 51015 4. 6.060 x 10-2 5. 0.0007 6. 4.556 x 10-9 7. 5050 8. 5050.0 9. 6.8 x 103 10. 0.002110 11. 33.303 12. 170 13. 15.0 x 10-5 14. 0.7007 15. 0.70070 16. 4206 17. 0.02 18. 10.01 19. 0 20. 0.0 sciencenotes.org