NAME DATE PERIOD Lesson 7 Skills Practice - Weebly

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Lesson 7 Skills Practice

Compute with Scientific Notation

Evaluate each expression. Express the result in scientific notation.

1. (5.8 ? 105)(6.4 ? 102)

3.712 ? 108

2. (3.92 ? 106)(2.2 ? 104)

8.624 ? 1010

3. -2.-95-2-?--10-6

3.6 ? 103

8.2 ? 102

4. -2.-05-2-?--10-7

5.4 ? 104

3.8 ? 102

5. (6.9 ? 107) + (2.12 ? 105)

6.9212 ? 107

6. (1.78 ? 104) + (5.35 ? 103)

2.315 ? 104

7. (8.4 ? 107) ? (6.3 ? 106)

7.77 ? 107

8. (9.62 ? 105) ? (2.58 ? 103)

9.5942 ? 105

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9. -6.-25-6-?--10-8

6.8 ? 104

9.2 ? 103

10. -2.-88-8-?--10-5

7.22 ? 102

4 ? 102

11. (3.68 ? 103)(2.4 ? 106)

8.832 ? 109

13. (6.78 ? 104) ? (4.13 ? 102)

6.7387 ? 104

12. (7.2 ? 107)(1.82 ? 102)

1.3104 ? 1010

14. -3.-02-4-?--10-6

4.8 ? 102

6.3 ? 103

15. (5.9 ? 108) + (2.6 ? 106)

5.926 ? 108

17. (8.33 ? 103) + (4.1 ? 105)

4.1833 ? 105

16

16. (3.45 ? 107)(1.68 ? 104)

5.796 ? 1011

18. (6.82 ? 105) ? (3.11 ? 104)

6.509 ? 105

Course 3 ? Chapter 1 Real Numbers

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