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- 1. Activator: Left vs Right Story
- 2. Scientific Notation
- 3. What is scientific Notation? Scientific notation is a way of expressing really big numbers or really small numbers. It is most often used in “scientific” calculations where the analysis must be very precise.
- 4. Why use scientific notation? For very large and very small numbers, these numbers can be converted into scientific notation to express them in a more concise form. Numbers expressed in scientific notation can be used in a computation with far greater ease.
- 5. Scientific notation consists oftwo parts: A number between 1 and 10 A power of 10 N x 10 x Are the following in scientific notation?
- 6. Changing standard form to scientific notation.
- 7. To change standard form toscientific notation… Place the decimal point so that there is one non-zero digit to the left of the decimal point. Count the number of decimal places the decimal point has “moved” from the original number. This will be the exponent on the 10.
- 8. Continued… Ifthe original number was less than 1, then the exponent is negative. If the original number was greater than 1, then the exponent is positive.
- 9. Example 1 Given: 289,800,000 Use: 2.898 (moved 8 places) Answer:
- 10. Example 2 Given: 0.000567 Use: 5.67 (moved 4 places) Answer:
- 11. Changing scientific notation to standard form.
- 12. To change scientific notation tostandard form… Simply move the decimal point to the right for positive exponent 10. Move the decimal point to the left for negative exponent 10. (Use zeros to fill in places.)
- 13. Example 3 Given:5.093 x 106 Answer:
- 14. Example 4 Given:1.976 x 10-4 Answer:

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