Grade 7 - Exponents-and-Powers

(Sample Printed worksheet)

Answer The Following

1)Find value of following
A) 02 (-4)3
B) (-4)3 03
2)

3)Solve following and write in simplest fraction form,

4)George plants a rose on 13th birthday. If the plant has one rose to start with, and number of roses doubles every week, then how many roses will be there after x weeks?
5)Find value of following
A) (-9)4
B) 82

Fill in the blanks

6)If (-3)x (-4)3 = 192,
x =
7)Product of square of  
-4
4
  and cube of  
1
4
  =  
 
 
 
8) =  
 
9)Simplify following and write answer in exponential form
A)  
49 83
28
  42 = 2
B)  
47 43 86
86 43 23 46
  86 23 48 = 2

Choose correct answer(s) from given choice

10)Simplify the following and write the answer in exponential form
73 78 75 74 79 = ?
a. 728 b. 729
c. 731 d. 727

Answers

1)
A) 0
B) 0

2) 216

3)  
200
27
 

4) 2x

5)
A) 6561
B) 64

6)  
7)   
8)   
9)
A)  
B)  

10) b. 729
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