A is 6x12y4
B is 4x4z15
C is 12a18b10
and D is 6s20t2
1)3 x 2 = 6
x2 x x6 = x12
y4 x y = y4
2) 4 x 1 = 4
x x x4= x4
z3x z5 = z15
3) 4 x 3 = 12
a3 x a6 = a18
b2 x b5 = b10
4) 6 x 1= 6
s5 x s4 = s20
t x t2= t2
