This math lesson discusses multiplying and dividing numbers in scientific notation. When multiplying numbers in scientific notation, you add the exponents. When dividing numbers in scientific notation, you subtract the exponents. Several examples are provided to demonstrate multiplying and dividing numbers written in scientific notation.

1. Math Lesson 1-9 c Multiplying and dividing in scientific notation.

2. 1. Objective: Multiplying and dividing in scientific notation.

3. 2. When multiplying in scientific notation, you add your exponents.

4. Example: (7.2 x 1𝟎𝟒) (2 x 𝟏𝟎𝟐)

5. 3. When dividing in scientific notation, you subtract your exponents.

6. 𝟔 ×𝟏𝟎𝟖𝟐 ×𝟏𝟎𝟒

7. (9.3 x 𝟏𝟎𝟗)(3 x 𝟏𝟎𝟑) 3.1 x 𝟏𝟎𝟏𝟐

8. 𝟔.𝟔 ×𝟏𝟎𝟗𝟑 ×𝟏𝟎𝟓 2.2 x 𝟏𝟎𝟒

9. (3.8 x 𝟏𝟎𝟓)( 2x 𝟏𝟎𝟕) 7.6x 𝟏𝟎𝟏𝟐

10. 𝟖.𝟒 ×𝟏𝟎𝟓𝟏.𝟐 ×𝟏𝟎𝟐 7 x 𝟏𝟎𝟑

11. (1.5x 𝟏𝟎𝟖)(5 x 𝟏𝟎𝟏𝟐) 7.5x 𝟏𝟎𝟐𝟎

12. 𝟗.𝟔 ×𝟏𝟎𝟓𝟏.𝟐 ×𝟏𝟎𝟐 8 x 𝟏𝟎𝟑

13. (3.6x 𝟏𝟎𝟏𝟒)(2 x 𝟏𝟎𝟐) 7.2 x 𝟏𝟎𝟏𝟔

14. 𝟏.𝟒𝟒 ×𝟏𝟎𝟗𝟏.𝟐 ×𝟏𝟎𝟐 1.2 x 𝟏𝟎𝟕

15. (9.3 x 𝟏𝟎𝟗)(3 x 𝟏𝟎𝟑) 3.1 x 𝟏𝟎𝟏𝟐