Simplify `((2)/(3))^(2)times((4)/(9))^(2)times((2)/(3))^(-4)`

((2)/(3))^(4)times((3)/(2))^(5)times((5)/(3))^(-2)times((3)/(5))^(-3)

Simplify: (-(7)/(9))times(3)/(8)times(-(4)/(7))

Simplify : ((8)/(27))^(-1//3)xx((25)/(4))^(1//2)xx((4)/(9))^(0)+((125)/(64))^(1//3)

Simplify : (3x^(2))^(-3)xx(x^(9))^((2)/(3))

Simplify and express each of the following as a rational number : (( -3)/(4))^(3) xx ( ( -5)/(2))^(3) xx ((2)/(3))^(5)

Simplify : (1.3xx2.4)/(0.39)

Simplify : g. ((3)/(8) xx (2)/(15)) + ((4)/(9) div (32)/(27))

Simplify: (i)   (-3)^2xx((-5)/(12))^2 (ii) ((-2)/5)^3-:((-3)/(10))^4

(-2)xx(-3)xx(+4)

Simplify : (3^(a+2)-3^(a+1))/(4xx3^(a)-3^(a))