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Scientific notation power point


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Scientific notation power point

  1. 1. Activator: Left vs Right Story
  2. 2. Scientific Notation
  3. 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. 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. 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. 6. Changing standard form to scientific notation.
  7. 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. 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. 9. Example 1 Given: 289,800,000 Use: 2.898 (moved 8 places) Answer:
  10. 10. Example 2 Given: 0.000567 Use: 5.67 (moved 4 places) Answer:
  11. 11. Changing scientific notation to standard form.
  12. 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. 13. Example 3 Given:5.093 x 106 Answer:
  14. 14. Example 4 Given:1.976 x 10-4 Answer: