Åk 6–9
  • Start
  • 1. Welcome to Negative Numbers
  • 2. Understanding Negative Numbers
  • 3. Addition and Subtraction
  • 4. Multiplication and Division
  • 5. Powers
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    English/Español
    5.2 Exercises - Powers
    1. Write the following powers as repeated multiplication.
    Ex 22 = 2 · 2
    a)
    		 24 =
    b)
    		 (-2)4 =
    c)
    		 (-2)3 =
    d)
    		 23 =
    e)
    		 -23 =
     
    		 
    2. Write the correct sign in front of the number.
    Ex 52 = +25  
    a)
    		 122 = 144  
    b)
    		 (-15)3 =  
    c)
    		 (-10)4 = 10,000  
    d)
    		 -73 = 343  
    e)
    		 84 = 4,096  
    f)
    		 -54 = 625  
    g)
    		 93 =  
    h)
    		 -(-6)7 =  
    i)
    		 112 = 121  
    j)
    		 -(-13)2 = 169  
     


    		 
    3. Calculate the power.
    Ex (-5)2 = +25  
    a)
    		 -(3)4 =  
    b)
    		 (-4)3 =  
    c)
    		 -25 =  
    d)
    		 73 =  
    e)
    		 -(-2)6 =  
    f)
    		 -(-6)3 =  
    g)
    		 -102 =  
    h)
    		 (-2)5 =  
    i)
    		 -(-5)2 =  
    j)
    		 (-2)6 =