1. A number is in scientific notation if it is written in the form a x 10n , where 1 ≤ a < 10 and n is an integer. In scientific notation: 4.203 x 10-3 6 x 100 9.6 x 1033 NOT in scientific notation: 42.03 x 10-3 -6 x 100 9.6 x 103.3

2. Answer: Answer: Express 3,022,000,000,000 in scientific notation. Express 0.000000672 in scientific notation. Example 3-2b

3. Answer: Answer: Express each number in scientific notation. a. 458,000,000 b. 0.0000452 Example 3-2c

4. Express in standard notation. Express in standard notation. Answer: 219,000 Answer: 0.00748 Example 3-1b

5. Express each number in standard notation. a. b. Answer: 0.0316 Answer: 7610 Example 3-1c

6. Evaluate Express the result in scientific and standard notation. Example 3-4a

7. Evaluate Express the result in scientificand standard notation. Answer: Example 3-5a