Chapter 2

Introduction to Algebra

2.1. Exercises (Answers)

1. 32 = 9
2. 53 = 125
3. 2 × 24 = 25 = 32
4. 3 × 32 = 33 = 27
5. (mn)4 = m4n4
6. (vt)3 = v3t3
7. n = 9
8. n = 9
9. n = 6
10. n = 8
11. n = 6
12. n = 13
13. n = 0
14. n = 0
15. n = 2
16. n = 3/2
17. n = 5
18. n = 8
19. n = 6
20. n = 9
21. n = 12
22. n = 18
23. 128
24. 256
25. 64
26. 729
27. 324
28. 1
29. t3image
30. 3r2
31. 13image
32. 57image
33. 5p−5
34. 1p−2
35. 3m + 6
36. 2m + 16

2.2. Exercises (Answers)

1. V2 + V
2. 7V3 + 9V2 − 6V + 3
3. 4I

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