PDF chapter test TRY NOW

1) Fill in the missing values with its power:
 
i) 21x4ii3x3=ixy3
 
ii) xiyix5y4=x3y1
 
[Note: Insert coefficients followed by a variable with its power.]
 
 
2) Choose the best answer:
 
i) 18xy2z÷2y=
 
ii) 12x4y+9y23y=