(y6) (y5) = y11
y*x8
y to the 36 power
y4
-2
(y6) (y5) = y11
y*x8
x to the 5th power times y to the fourth power
y5 * y3 * y = y5 * y3 * y1 = y5+3+1 = y9
1.2
25xy/x^5y^4 = 25/X^4y^3 (25 over x to the 4th y to the third)
y^6
y^9
y4
0.6
y to the 36 power
This is definitely false; if x=2 and y=3, x to the y power is 8, but y to the x power is 9, which are not equal.