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### Scientific Notation

Practice Problems #3

Convert the following #s in ordinary notation to standard scientific notation.

1) 4,030,000

- 4.03 x 106

2) .0000988

- 9.88 x 10-5

3).000000023

- 2.3 x 10-8

Convert the following #s in ordinary notation to standard scientific notation.

4) 602,000,000,000,000,000,000

- 6.02 x 1020

5) 61,500,000

- 6.15 x 107

6) 0.000000568

- 5.68 x 10-7

Convert the following #s in ordinary notation to standard scientific notation.

7) 321,000

- 3.21 x 105

8) 64,960,000,000

- 6.496 x 1010

9) 0.0007085

- 7.085 x 10-4

Convert from scientific notation to ordinary notation.

10) 1.915 x 107

- 19,150,000

11) 6.73 x 10-9

- 0.00000000673
- 2.9 x 10-8
- 0.000000029

Convert from scientific notation to ordinary notation.

13) 3.25 x 106

- 3,250,000

14) 1.9 x 107

- 19,000,000

15) 4.2715 x 109

- 4,271,500,000

Convert from scientific notation to ordinary notation.

16) 3.08 x 10-3

- 0.00308

17) 9.04 x 10-9

- 0.00000000904

18) 5.874 x 102

- 587.4

Compare the following numbers in using >, <, or =.

11. (4.5 x 106) < (3.7 x 109)

12. (3.1 x 10-2) > (8.3 x 10-6)

Perform any operations using scientific notation form. All answers should be in scientific notation.

13. (7 x 107) ÷ (3.5 x 103) = 2 X 104

14. (6.2 x 105) x (2.4 x 103) = 1.5 X 109

15. (2.3 x 108) x (2.1 x 10-5) = 4.8 X 103

Perform any operations using scientific notation form. All answers should be in scientific notation.

16. (3.2 x 104) ÷ (8.0 x 102) = 4.0 X 101

17. (4.2 x 106) ÷ (7.0 x 10-3) = 6.0 X 108

18. (7 x 10-5) x (9.2 x 103) = 6 X 10-1

Perform any operations using scientific notation form. All answers should be in scientific notation.

19. (9.0 x 1021) ÷ (3.0 x 1017) = 3.0 X 104

20. (4.0 x 10-4) x (2.5 x 102) = 1.0 X 10-1

21. (8.8 x 105) ÷ (2.2 x 10-2) = 4.0 X 107

Perform any operations using scientific notation form. All answers should be in scientific notation.

22. (5.6 x 10-2) x (2.0 x 10-4) = 1.1 X 10-5

23. (3.0 x 105) x (8.1 x 101) = 2.4 X 107

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