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7 x 7 x 7 x 7 = Zy

 

What is the value of Z and y?

 

8 x 8 = 8x

 

What is the value of x?

 Apr 15, 2021
 #1
avatar+31412 
+2

71 x 71 x  71 x 71 = 7(1+1+1+1) = 74      so  z = 7    y = 4

 

8 x 8 = 82       so x = 2

 Apr 15, 2021

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