Lesson 4.8 Scientific Notation Pages

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Presentation transcript:

Lesson 4.8 Scientific Notation Pages 186 - 189 Students will express numbers in Standard Form Scientific Notation Standard Form Scientific Notation 5,000,000 534,000 .0005 .0534 5 x 10 5.34 X 10 5 X 10

Page 509 Standard Form Scientific Notation 1. 2. 3. 4. 5. 6. 4.16 X 10 3.2 X 10 1,075 X 10 1,600,000 135,000 0.008

Least to Greatest Page 509 8.) 3.4 X 10 3.5 X 10 3.7 X 10 400 (you can change all to Standard or all to Scientific or try to figure it out) Page 509 8.) 3.4 X 10 3.5 X 10 3.7 X 10 400

Least to Greatest 9.) 6.5 X 10 6.12 X 10 6.01 X 10 6.1 X 10 (you can change all to Standard or all to Scientific or try to figure it out) 9.) 6.5 X 10 6.12 X 10 6.01 X 10 6.1 X 10

Assignment Page 510 Problems 10 - 15 and 18 - 23

Page 510 10. 11. 12. 13. 14. 15. 68,900 .00015 .000023 .00951 3,062,000 792.4

16. 17. .0109 171,000,000,000

18. 19. 20. 21. 22. 23 7 X 10 3.2 X 10 4.5 X 10 9.18 X 10 1 X 10 6.752 X 10

25.) 2.4 X 10 2.45 X 10

26.) 3.024 X 10 2805 2.81 X 10 3.2 X 10 2.08 X 10

27.) 5.1 X 10 5.9 X 10 5.01 X 10

28.) 9.05 X 10 905,000 9.5 X 10 9,562,301

34. < 35. = 36. > 37. <

Page 514 Computation with Scientific Notation (Solve)

Exponents Have to be the same! Page 514 Computation with Scientific Notation (Solve) Add and Subtract Exponents Have to be the same!

31.2 X 10 = 3.12 X 10 Notice the larger number has the smaller exponent

31.2 X 10 = 3.12 X 10 Using the same concept what exponent would go beside the 10? 312 x 10 Notice the larger number has the smaller exponent

(5.45 X 10 ) + (3.12 X 10 )

(5.45 X 10 ) + (3.12 X 10 ) 31.2 X 10

(5.45 X 10 ) + (3.12 X 10 ) 31.2 X 10

(5.45 X 10 ) + (3.12 X 10 ) 31.2 X 10

(5.45 X 10 ) + (3.12 X 10 ) 31.2 X 10

(2.67 X 10 ) - (4.2 X 10 )

(2.67 X 10 ) - (4.2 X 10 )

(2.67 X 10 ) - (4.2 X 10 )

(2.67 X 10 ) - (4.2 X 10 )

Multiply and Divide with Scientific Notation (Pages 513 -514) Use Rules for Monomials Multiply - Add exponents Divide - Subtract Exponents

1. From Handout (6.7 X 10 ) (2.9 X 10 )

(6.7 X 10 ) (2.9 X 10 ) (6.7 X 2.9) (10 X 10 )

(6.7 X 10 ) (2.9 X 10 ) (6.7 X 2.9) (10 X 10 ) (19.43 X 10

(6.7 X 10 ) (2.9 X 10 ) (6.7 X 2.9) (10 X 10 ) (19.43 X 10 19.43 X 10

(6.7 X 10 ) (2.9 X 10 ) (6.7 X 2.9) (10 X 10 ) (19.43 X 10 19.43 X 10 1.943 X 10

leave off exponent I 6. 5 X to

Page 4 Handout