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```Lesson 13.1â Skills Practice
page 3
Name_________________________________________________________ Date__________________________
Write each expression in expanded notation and evaluate to calculate the product.
27. â(4)â2ââ(25)â3â
28. â(24)â4ââ(7)â2â
The expanded notation is â
The expanded notation is â
(4)(4)(25)(25)(25) 5 22000.
(24)(24)(24)(24)(7)(7) 5 12,544.
29. â(2)â5ââ(26)â2â
30. â(22)â5ââ(8)â3â
The expanded notation is â
The expanded notation is â
(2)(2)(2)(2)(2)(26)(26) 5 1152.
(22)(22)(22)(22)(22)(8)(8)(8) 5 216,384.
31. â2(3)â6ââ(2)â4â
32. â2(6)â3ââ(4)â2â
The expanded notation is â
The expanded notation is â
2(3)(3)(3)(3)(3)(3)(2)(2)(2)(2) 5 211,664.
2(6)(6)(6)(4)(4) 5 23456.
33. â2(4)â3ââ(8)â2â
34. â2(5)â3ââ(9)â2â
The expanded notation is â
The expanded notation is â
2(4)(4)(4)(8)(8) 5 24096.
2(5)(5)(5)(9)(9) 5 210,125.
Write each expression in expanded notation.
35. 3
â 2â ââxâ3â
36. 2
â â5ââyâ2â
The expanded notation is â
The expanded notation is â
(3)(3)(x)(x)(x).
(2)(2)(2)(2)(2)(ây)(ây).
37. 5
â 2â ââyâ4â
38. x
â 5â ââzâ2â
The expanded notation is â
The expanded notation is â
(5)(5)(ây)(ây)(ây)(ây).
(x)(x)(x)(x)(x)(z)(z).
Chapter 13â â â Skills Practiceâ â â â¢â â â 871
```
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