(ii) `(2/5)^(-2) xx(2/5)^(-2) xx(2/5)^(-2) `

(2/5)^2 xx (2/5)^3 xx (2/5)^(-6) = (5/2)

Simplify : ((2)/(3))^(2)xx((2)/(5))^(-3)xx((3)/(5))^(2)

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

Find x: (2/5)^(2x+6)xx(2/5)^3=(2/5)^(x+2)

Evaluate: (i) ((5)/(9)) ^(-2) xx ((3)/(5)) ^(-3) xx ((3)/(5)) ^(0) (ii) ((-3)/(5)) ^(-4) xx ((-2)/(5))^(2) (iii) ((-2)/(3)) ^(-3) xx ((-2)/(3)) ^(-2)

Simplify : (-2)^3 xx (5/2)^2 xx(2/5)^(-1)

(-5)^(2)xx(-5)^(-3)=(-5)^(-6)

(-2)^(-5)xx(-2)^6

The value of ((2/5)^(3)xx(1/7)^(3))/((2/5)^(2)xx(1/7)^(4)) is

Simplify and express each of the following as power of a rational number: (2/3)^3xx(-6/7)^2xx(-7/4)xx3/2 (iii) -(2/5)^2xx(5/7)^2xx(49)/5+(-4/5)^3xx5/4xx3/4