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9.5 Scientific Notation Objective: students will learn about scientific notation. They will also be able to perform many operations with them.

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Presentation on theme: "9.5 Scientific Notation Objective: students will learn about scientific notation. They will also be able to perform many operations with them."— Presentation transcript:

1 9.5 Scientific Notation Objective: students will learn about scientific notation. They will also be able to perform many operations with them.

2 Information Written as c x 10n Forms: C number between 1 and 10
N is an integer Forms: Standard = 4500 Scientific = 4.5 x 103

3 Write number in scientific notation
3100 .00047 72,000,000 .027

4 St. write in sc. not. 43,500 1200 .00525

5 Standard Form 4.5 x 10-3 5 x 104 6.3 x 104 3.2 x 10-3

6 St. standard form 4.18 x 103 1.03 x 10-6 2.23 x 102 6 x 10-4

7 Ordering To order; Order 2.4 x 104, 3.3 x 103 and 50,000.
Convert to sc. Not. Order by power If same power, order by number Order original number. Order 2.4 x 104, 3.3 x 103 and 50,000.

8 Order the following 4.3 x 104, 3.2 x 104, 42,000 1.5 x 10-4 ____ 2.6 x 10-3 2.5 x 105 ____ 3.5 x 105

9 Multiplying scientific notations
Steps: Multiply numbers Add exponents (1.5 x 10-4) x (5 x 104)

10 St.- Multiply sc. Not. (2.5 x 103) x (3 x 102) (2 x 107) x (7 x 103)

11 Wrap-up Questions/comments HW: Worksheet

12 Workbook 17. (6 x 102) x (3 x 103) 19. (4 x 10-3) x (2.4 x 107)
22. Order 2400, 2.5 x 102, 2.3 x 103

13 Questions Write 76,200 in scientific notation.
Write 5 x 10-7 in standard form. Order least to greatest 8700, 1.97 x 103, 3.98 x 104 Solve (6 x 107)(9 x 105)


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