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Which equations are correct?

Select each correct answer.

 

SamJones  Jan 17, 2018
 #1
avatar+87639 
+1

We are  using  the property that

 

axm  *  bxn    =   (a*b)  (xm * xn)  =  (a*b) (xm+n )

 

So...for instance  .....  3x(7x2)  =  (3*7) (x3+2)  =  21x5

 

So......the last three are correct

 

 

 

cool cool cool

CPhill  Jan 17, 2018

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