1. Scientific Notation and Significant Figures

2. When it says to write your answers in the form: Then it means put your answer in scientific notation! Scientific Notation where

3. Scientific Notation 9 488 800 000 000 000 9.48 x 10 15 000 000 000 000 324 3.2 x 10 -13..

4. You Do #1 Write 345, 239, 235 in scientific notation A.3.45 X 10 7 B.3.45 x 10 8 C.34.5 x 10 7 D.3.45 x 10 -8 [Default] [MC Any] [MC All]

5. .000 000 71 A.7.1 x 10 -9 B.7.1 x 10 -7 C.71 x 10 -8 [Default] [MC Any] [MC All]

6. 5432.6; answer all that apply A.5.43 x 10 1 B.5.4 x 10 3 C.5.43 x 10 3 [Default] [MC Any] [MC All]

7. .325 671 A.32.6 x 10 -2 B.3.26 x 10 -1 C.3.26 x 10 1 [Default] [MC Any] [MC All]

8. 2.5 x 10 -4.00025 0.0

9. 3.24 x 10 8 324000000 0.0

10. Significant Figures 43 620.036821 6 is the third significant figure. Look at 4 th figure it’s < 5, so don’t change the 6. Make everything else zeros 3 sig figs -- 43600 8 is the third significant figure because the 0 in front is a place holder. look at the next digit. It’s < 5, so leave the 8. Leave off all other numbers 3 sig figs.0368

11. Significant Figures 10 076.203 513 0 is the third significant figure. The zeroes are significant, because it lies between two non-zero digits. The digit behind the 0 is 5 or more, so round the 0 to a 1 and make all other places zeroes. 3 sig figs – 10 100 3 is the third significant figure. Look at the next digit. It is 5 or more, so round the 3 to a 4. Leave off all other numbers. 3 sig figs.204

12. Significant Figures 18.997 9 is the third significant figure. Look at the next digit. It is 5 or more, so round the 9 to a 0 and the 8 to a 9. Leave off all other numbers. 3 sig figs – 19.0

13. .008 6 [1].009 0.0

14. 523 [1] 500 0.0

15. 4.053 [3] 4.05 0.0

16. 647 [2] 650 0.0

17. 3081 [2] 3100 0.0