# Exponent/Sqrt rules

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1. xa * xb =
• = x(a+b)
2. c3 * c5 =
• = c3+5
• = c8
3. 5(5n) =
• = 51(5n)
• = 5n+1﻿
4. ax * bx
• = (ab)x
5. 24 * 34 =
• = (2*3)4
• = 64
6. 125 =
• = 45 * 35
• = (22)5 * 35
• = 210 * 35
7. xa / xb =
• = x(a-b)
8. 25/ 211 =
• = 2(5-11)
• = 1 / 26
• = 2-6
9. x10 / x3=
• = x(10-3)
• = x7
10. (a/b)x =

• = ax / bx
11. (10/2)6 =
• = 106/26
• = 56
12. 35/95 =
• = (3/9)5
• = (1/3)5
13. (ax)y =
• = axy
• = (ay)x
14. (32)4 =
• = 3(2*4)
• = 38
• = 3(4*2)
• = (34)2
15. x-a =
• = 1/xa
16. (3/2)-2 =
• =(2/3)2
• = 4/9
17. 2x-4 =
2/x4
18. ax + ax + ax =
• = 3ax
19. 3x + 3x + 3x =
• = 3*3x
• = 31 + 3x
• = 3(x+1)
20. 34 + 34 + 34 =
• = 3 * 34
• = 31 * 34
• = 3(1+4)
• = 35
21. 20551082 / 105 =
• = (5*4)5510(23)2 / (5*2)5
• = (5*2*2)551026/(5525)
• = 55*25*25*510*26 / (55*25)
• = 25*510*26

### Card Set Information

 Author: vlopez1782 ID: 12342 Filename: Exponent/Sqrt rules Updated: 2010-03-30 19:24:52 Tags: GMAT Folders: Description: Exponent rules Show Answers:

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