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This page covers exercises related to composite numbers and powers, focusing on computational practice. Topics include identifying composite numbers, performing calculations with powers, and working with fractions. The exercises range from basic to advanced levels, providing a thorough understanding of these concepts. Additional problems involve real-life applications, such as flight durations, ensuring a comprehensive learning experience. Perfect for students seeking to enhance their skills in number theory and basic arithmetic.
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Ch. 7 Evens • 2. composite • 4. composite • 6. 2 x 3 x 5 • 8. 3 to the 4th power • 10. 2, 3, 4, 5, 9, 10 • 12. 2, 3, 4, 9 • 14. 12 • 16. 18
18. 60 • 20. 54 • 22. 5/9 • 24. 14/8 or 1¾ • 26. 2/16, 3/24, 4/32 etc. • 28. 22/24, 33/36, 44/48 • 30. ¾
32. 5/8 • 34. 1 and 7/8 • 36. 1 and 1/50 • 38. 2/5 = 8/20 • 40. 3/5 • 42. 29/30 • 44. 3 ½
46. 5 ¼ • 48. 8, 12 • 50. No, the flight to Los Angeles is about one hour longer than the flight to Montreal.