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Splash Screen. Five-Minute Check (over Lesson 9–3) Then/Now Key Concept: Negative and Zero Exponents Example 1: Write Expressions Using Positive Exponents Example 2: Use Negative Exponents Example 3: Real-World Example: Use Negative Exponents

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  1. Splash Screen

  2. Five-Minute Check (over Lesson 9–3) Then/Now Key Concept: Negative and Zero Exponents Example 1: Write Expressions Using PositiveExponents Example 2: Use Negative Exponents Example 3: Real-World Example: Use NegativeExponents Example 4: Algebraic Expressions with Negative Exponents Lesson Menu

  3. Find 108 ● 104. A. 1032 B. 1013 C. 1012 D. 104 5-Minute Check 1

  4. Find a5 ● a5. A.a25 B.a10 C. 2a5 D.a0 5-Minute Check 2

  5. Find 108÷ 104. A. 1032 B. 1012 C. 104 D. 102 5-Minute Check 3

  6. A.x27 B.x12 C.x7 D.x6 5-Minute Check 4

  7. Find 4y ● 5y4. A. 20y5 B. 9y5 C. 9y3 D. –y3 5-Minute Check 5

  8. In the metric system, one kiloliter is equal to 103 liters. One liter is 103 milliliters. How many milliliters are in one kiloliter? A. 1,000,000 B. 100,000 C. 10,000 D. 1000 5-Minute Check 6

  9. You evaluated expressions containing positive exponents. (Lesson 9–1) • Write expressions using negative exponents. • Evaluate numerical expressions containing negative exponents. Then/Now

  10. Concept

  11. Write Expressions Using Positive Exponents A.Write 3–4 using a positive exponent. Definition of negative exponent Answer: Example 1 A

  12. Write Expressions Using Positive Exponents B.Write m–2 using a positive exponent. Definition of negative exponent Answer: Example 1 B

  13. A.53 B. C. D.52 A.Write 5–3 using a positive exponent. Example 1 CYP A

  14. A. B.y6 C. D. B.Write y–6 using a positive exponent. Example 1 CYP B

  15. A. Use Negative Exponents Definition of exponent = 5–3 Definition of negative exponent Answer: 5–3 Example 2 A

  16. Use Negative Exponents Definition of negative exponent. Answer: 8–4 Example 2 B

  17. A. A. B.2–6 C.2–4 D.2–5 Example 2 CYP A

  18. A. B. C.3–7 D.–21 Example 2

  19. ATOMAn atom is an incredibly small unit ofmatter. The smallest atom has a diameter of approximately of a nanometer, or 0.0000000001meter. Write the decimal as a fraction and as a powerof 10. Use Negative Exponents Write the decimal as a fraction. Example 3

  20. Use Negative Exponents Definition of negative exponent Example 3

  21. A. B. C. D. WEATHERFog is composed of cloud droplets with a diameter of 0.00001 meter. Write the decimal as a fraction and as a power of ten. Example 3

  22. Algebraic Expressions with Negative Exponents Evaluate 16r–3 if r = –4. Replace r with –4. Definition of negative exponent Find (–4)3. Simplify. Example 4

  23. Algebraic Expressions with Negative Exponents Simplify. Example 4

  24. A. B. C.4 D.6 Evaluate 24x–2 if x = –2. Example 4

  25. End of the Lesson

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