Scientific Notation Practice:



More Scientific Notation Practice:

Try these problems and then check your answers at the bottom of the page. Don’t look first or you won’t learn anything! Cover the bottom with a paper so you won’t be tempted to look until you’ve finished the problems.

Convert the following numbers to scientific notation.

1. 10 =

2. -1 =

3. 345 =

4. -7,987.098 =

5. – 980,456,908

6. 456,000,000,000,000 =

7. 0.5 =

8. 0.0456001 =

9. – 0.0000895 =

10. 0.000000984 =

Multiply the following numbers. Try these without using the scientific notation function on your calculator!

11. 5 x 103 (6 x 104) =

12. 6.5 x 106 (3x 108) =

13. 3.23 x 104 (4.59 x 10-4) =

14. 456,457,987,000 x 245,346,897,345,231 =

15. -101 x 100 =

Divide the following numbers. Try these without using the scientific notation function on your calculator!

16. 4 x 106 / 3 x 109 =

17. 5.43 x 106 / 5 x 1011 =

18. 34,456,678 / 543,456,890,000.001 =

19. 7.56 x 10-5 / 4.35 x 10-3 =

20. -5.6700001 / 3.46 x 10-4 =

Answers

1. 101 11. 3.0 x 108

2. -100 12. 1.95 x 1015

3. 3.45 x 102 13. 1.48 x 101

4. -7.98 x 103 14. 4.56 x 1011 (2.45 x 1014) = 1.11 x 1026

5. – 9.8 x 108 15. -10 or -101

6. 4.56 x 1014 16. 1.33 x 10-3

7. 5 x 10-1 17. 1.08 x 10-5

8. 4.56 x 10-2 18. 3.44 x 107 / 5.43 x 1011 = 6.33 x 10-5

9. -8.95 x 10-5 19. 1.73 x 10-2

10. 9.84 x 10-7 20. -5.67 x 100 / 3.46 x 10-4 = -1.63 x 10-4

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