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Lesson 13.2  Skills Practice
page 7
Name_________________________________________________________ Date__________________________
Simplify each expression. Show your work.
​m​9​
58. ___
​  6 ​ 
​m​ ​
​n5​ ​
57. __
​  4 ​ 
​n​ ​
5
__
​ ​n​ ​  ​5 ​n​524​
9
​ m​926​
___
 
​ ​m6​ ​ 5 ​
​n​ ​
​m​ ​
5 n
5 ​m3​ ​
4
​  b​6​
59. ____
​  4 ​ 
 
​2b​ ​
​2h​14​
60. _____
​  6 ​ 
 
​h​ ​
(  )
6
6
​
____
  2​__
​ ​b​ ​  ​​
​ ​   b​ ​ 5
​ b​4​
2
​b4​ ​
14
​ 6​ ​
h
6
5 ​2b​624​
5 2(​h1426
​ ​)
5 ​2b​2​
5 2h​8​
​212x​7​
 
61. ______
​  2 ​ 
​3x​ ​
(  3 )(​x  ​​)
​24y​8​
 
62. ____
​  4 ​ 
​4y​ ​
( 4 )(​y  ​​)
7
7
​  _____
______
 
​ 212
​​__
​ ​x​ ​  ​​
 ​212x​
 ​ 5 ​
 ​   
​y​ ​
​24y​ ​ ___
_____
 
  ​ 24 ​   ​​__
​  4 ​  ​
​  4 ​ 5 ​
5 24(​x722
​ ​)
5 6( y​824​)
5 ​24x​5​
5 ​6y​4​
​3x​2​
© 2011 Carnegie Learning
(  h )
14
​  _____
_____
​ ​2h​ ​ 5 ​
 
​ 2h  ​  
 ​
45​a​7​​b​3​
 
63. ______
​  4  ​ 
25​a​ ​b
2
  )(​a  ​​)( b )
(25
7 3
7
3
​ 
_______
​ 45  ​  ​​__
​ ​a4​ ​  ​​​__
​ ​b​ ​  ​​
5 ​___
​ 45​a​4​b ​ ​ 
25​a​ ​b
8
8
​4y​ ​
10​m​8​​n​3​
64. _______
​ 
 
 ​ 
2​m7​ ​
(  2 )( m )
8
_______
​ 10m n ​ 5 ​
 
  ___
​ 10 ​  ​​ ___
​ m  ​  ​(n3)
8 3
2m7
7
5 29(​a​724​)(​b321
​ ​)
5 5(​​m​827​)(n​3​)
5 ​29a​3​​b​2​
5 ​5mn​3​
Chapter 13      Skills Practice      •      881
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