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# Day 9 compare sci not

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### Day 9 compare sci not

1. 1. 1 Do Now AIM: Comparing Numbers In Scientific Notation
2. 2. 2
3. 3. 3
4. 4. 4 Jupiter 3.7 X 108 miles Neptune 2.796 X 109 miles Uranus 1.607 X 109 miles Earth 9.3 X 107 miles Venus 8.2 X 107 miles Mercury 5.7 X 107 miles Saturn 7.44 X 108 miles Mars 1.4171 X 108 miles
5. 5. 5 Think-Pair-Share Activity: 1.) How can we determine if 3.45 X 105 is greater than 3.54 X 105 ? 2.) How can we determine if 5.13 X 10-3 is greater than 5.13 X 10-5 ? 10 2 3 4 5 6 7 8 9 10­1­2­3­4­5­6­7­8­9­10
6. 6. 6 a.) 3.6 X 106 3.65 X 106 b.) 2.0 X 10-4 2.01 X 10-3 c.) 8.231 X 107 8.321 X 109 d.) 3.62 X 10-5 3.621 X 10-4 3.) Compare the numbers. Write , , or> < = < < < <
7. 7. 7 4.) Order the following numbers written in scientific notation from least to greatest. 6.4 X 108 3.12 X 105 5.8 X 108 6.2 X 107 6.12 X 104 6.2 X 1011 , ,a.) b.) , , 6.12 X 104 6.2 X 107 6.2 X 1011
8. 8. 8 c.) d.) 10 2 3 4 5 6 7 8 9 10­1­2­3­4­5­6­7­8­9­10 8.0 X 10-9 1.47 X 10-7 2.2 X 10-8 2.5X 10-4 2.55 X 10-4 1.9 X 10-3 , , , , 2.5X 10-4 2.55 X 10-4 1.9 X 10-3
9. 9. 9 Extra Practice
10. 10. 10 7.) MULTIPLE CHOICE: China‛s population in 2001 was approximately 1,273,000,000. Mexico‛s population for the same year was about 1.02 X 108 . How much greater was China‛s population than Mexico‛s? SHOW ALL WORK! A.) 1,375,000,000 B.) 1,274,020,000 C.) 1,171,000,000 D.) 102,000,000
11. 11. 11 Forward
12. 12. 12 Back
13. 13. 13 1.) Alpha Centauri is 4.07 X 1013 kilometers away from our solar system. Sirius is about 8.13 X 1013 kilometers away from our solar system. Which star is closer to our solar system? Explain your answer. BEFORE YOU LEAVE: Answer the following question in a complete sentence. Sirius Alpha Centauri
14. 14. 14 BEFORE YOU LEAVE: Answer the following question in a complete sentence. Alpha Centauri Capella 2.) Alpha Centauri is 4.07 X 1013 kilometers away from our solar system. Capella is about 3.88 X 1014 kilometers away from our solar system. Which star is closer to our solar system? Explain your answer.
15. 15. 15 Homework: Homework Sheet Mr. Tjersland's Math 7
16. 16. 16 Jupiter 3.7 X 108 miles Neptune 2.796 X 109 miles Uranus 1.607 X 109 miles Earth 9.3 X 107 miles Venus 8.2 X 107 miles Mercury 5.7 X 107 miles Saturn 7.44 X 108 miles Mars 1.4171 X 108 miles AIM: Comparing Numbers In Scientific Notation