NAME _____________________________________________ DATE ____________________________ PERIOD _____________ 7-2 Skills Practice Division Properties of Exponents Simplify each expression. Assume that no denominator equals zero. 1. 65 2. 4 6 𝑥4 3. 𝑥2 4. 9. 11. 6. 12𝑛5 36𝑛 8. 𝑎3 𝑏5 𝑟3 𝑡2 𝑟3 𝑡4 6 3𝑑 𝑤4 𝑥3 𝑤4 𝑥 𝑚7 𝑝2 𝑎𝑏 −21𝑤5 𝑥2 7𝑤4 𝑥5 2 4𝑝7 ) 7𝑟 2 12. 32𝑥3 𝑦2 𝑧5 −8𝑥𝑦𝑧2 14. 4−4 5 −2 15. 8−2 9 9𝑑 10. 𝑚3 𝑝2 2 13. ( 98 7 𝑚 5. 𝑚3 7. 912 16. ( ) 3 −1 ℎ3 17. ( ) 18. 19. 𝑘 0 (𝑘 4 )( 𝑘 6 ) 20. 𝑘 −1 (ℓ−6 )( 𝑚3 ) 11 21. 23. 25. 𝑓−7 4 𝑓 𝑓−5 𝑔4 −2 ℎ −15𝑡0 𝑢−1 5 𝑢3 Chapter 7 ℎ−6 16𝑝5 𝑤2 22. ( 2𝑝3 𝑤 3 24. 15𝑥6 𝑦−9 5𝑥𝑦−11 26. 48𝑥6 𝑦7 𝑧5 −6𝑥𝑦5 𝑧6 13 0 ) Glencoe Algebra 1 NAME _____________________________________________ DATE ____________________________ PERIOD _____________ 7-2 Practice Division Properties of Exponents Simplify each expression. Assume that no denominator equals zero. 88 1. 84 4. 2. 𝑚5 𝑛𝑝 𝑚4 𝑝 4𝑓3 𝑔 𝑎4 𝑏6 𝑎𝑏3 3. 5𝑐 2 𝑑3 8𝑦 7 𝑧 6 5. −4𝑐 2 𝑑 3 7. ( 3ℎ6 ) 10. 𝑥 3 (𝑦 −5 )( 𝑥 −8 ) 3 −2 13. (7) 6. 4𝑦6 𝑧5 2 6𝑤 5 8. (7𝑝6 𝑟3 ) 9. 11. p(𝑞 −2)( 𝑟 −3 ) 4 −4 22𝑟 3 𝑠2 15. 11𝑟2 𝑠−3 −15𝑤 0 𝑢−1 5𝑢3 17. 4𝑐 −1 𝑑2 𝑓−3 19. 6𝑓−2 𝑔3 ℎ 5 54𝑓−2 𝑔−5 ℎ 3 20. 𝑚−2 𝑛−5 −5 𝑞−1 𝑟 3 ) 3 𝑞𝑟 25. ( 0 𝑥 −3 𝑦 5 ) 4 −3 8𝑐 3 𝑑 2 𝑓4 18. ( −12𝑡 −1 𝑢5 𝑥 −4 2𝑡 −3 𝑢𝑥 5 21. 𝑟4 (3𝑟)3 24. (2𝑎−2 𝑏)−3 5𝑎2 𝑏4 −4 23. −4𝑥 2 24𝑥 5 12. 12−2 14. (3) 16. 22. (𝑚4 𝑛3 )−1 𝑥𝑦 2 𝑥𝑦 (𝑗 −1 𝑘 3 ) 𝑗3𝑘 3 7𝑐 −3 𝑑 3 −1 2𝑥 3 𝑦 2 𝑧 26. (𝑐 5 𝑑ℎ−4 ) −2 27. (3𝑥4 𝑦𝑧 −2 ) 28. BIOLOGY A lab technician draws a sample of blood. A cubic millimeter of the blood contains 223 white blood cells and 225 red blood cells. What is the ratio of white blood cells to red blood cells? 29. COUNTING The number of three-letter “words” that can be formed with the English alphabet is 263 . The number of five-letter “words” that can be formed is 265 . How many times more five-letter “words” can be formed than threeletter “words”? Chapter 4 12 Glencoe Geometry