1. 13.6 Scientific Notation

2. Page 82 of your INB Write down this problem on your COMMUNICATOR Be prepared to defend your answer if you are called on. How many times larger is 6 x 10 2 than 2 x 10 -3 ? Show your work. Write your answer as a regular ‘ol number. Page XX of your INB Interpret 7,600 -3. What kind of a number is this? Huge or Tiny? Positive or Negative? Approximate it. = 3x10 2- -3 =3x10 2+3 =3x10 5 = 300,000 6 x 10 2 2 x 10 -3

3. How many times BIGGER is the Party Size?

4. How much BIGGER is the Party Size?

5. Homework issues: check #20

6. ITEMS of BUSINESS Super Math intervention on Thursday. Anyone interested? We’ll talk about any math topic you choose. If you don’t have any ideas, I’ll think of some... 4 th dimension, imaginary numbers, fractional exponents… I can’t give I’s for this intervention since it’s considered an enrichment activity, so just come if you are available and are interested.

7. Have your homework out on your desk.

8. Try this CHALLENGE question: The mass of the sun is 2 x 10 30. The mass of a proton is about 2 x 10 -27. How many protons would fit inside the sun? 2 x 10 30 2 x 10 -27 =1 x 10 57

9. Get into your 4-Square Groups Page xx of your INB Interpret 7,600 -3. What kind of a number is this? Huge or tiny? Positive or negative? Approximate it.

10. HUGE NUMBERS

11. TINY NUMBERS

12. Scientific Notation Song

13. You try it.

14. Comparing Powers Talk about how the Power trumps the other Number. Because the Power is all about the number Of zeros. The other number Only affects the first digit Or first few digits. Always pick the one with The highest power. Special consideration to Problem #35because of the 300, which adds 2 zeros To the final answer.

15. Scientific Explained

16. You try it.

18. Scientific Notation and Whole Numbers 4 x 10 6 =4 x 1,000,000= 4,000,000 4 x 10 -6 =4 x.000001=.000004

19. You try it.

21. Interpret 7,600 -3. What kind of a number is this? Huge or tiny? Positive or negative? Approximate it.

22. SHOW YOUR WORK Worksheet 13.6 Scientific Notation