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Lesson 13.1  Skills Practice
page 3
Name_________________________________________________________ Date__________________________
Write each expression in expanded notation and evaluate to calculate the product.
27. ​(4)​2​​(25)​3​
28. ​(24)​4​​(7)​2​
The expanded notation is  
The expanded notation is  
(4)(4)(25)(25)(25) 5 22000.
(24)(24)(24)(24)(7)(7) 5 12,544.
29. ​(2)​5​​(26)​2​
30. ​(22)​5​​(8)​3​
The expanded notation is  
The expanded notation is  
(2)(2)(2)(2)(2)(26)(26) 5 1152.
(22)(22)(22)(22)(22)(8)(8)(8) 5 216,384.
31. ​2(3)​6​​(2)​4​
32. ​2(6)​3​​(4)​2​
The expanded notation is  
The expanded notation is  
2(3)(3)(3)(3)(3)(3)(2)(2)(2)(2) 5 211,664.
2(6)(6)(6)(4)(4) 5 23456.
33. ​2(4)​3​​(8)​2​
34. ​2(5)​3​​(9)​2​
The expanded notation is  
The expanded notation is  
2(4)(4)(4)(8)(8) 5 24096.
2(5)(5)(5)(9)(9) 5 210,125.
Write each expression in expanded notation.
© 2011 Carnegie Learning
35. 3
​ 2​ ​​x​3​
36. 2
​ ​5​​y​2​
The expanded notation is  
The expanded notation is  
(3)(3)(x)(x)(x).
(2)(2)(2)(2)(2)( y)( y).
37. 5
​ 2​ ​​y​4​
38. x
​ 5​ ​​z​2​
The expanded notation is  
The expanded notation is  
(5)(5)( y)( y)( y)( y).
(x)(x)(x)(x)(x)(z)(z).
Chapter 13      Skills Practice      •      871
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