`((7)/(9))^(-11)times((9)/(14))^(-9)`

(4)/(7)times(9)/(7)

(-5/9)^(5)times(-5/9)^(11)=(-5/9)^?

((3)/(11)+(5)/(22))times((14)/(9)+(5)/(6))

Which of the following are in descending order of their values? (5)/(9),(7)/(11),(8)/(15),(11)/(17) (b) (5)/(9),(8)/(15),(11)/(17),(7)/(11) (c) (11)/(17),(7)/(11),(5)/(15),(5)/(9)(d)(11)/(17),(7)/(11),(5)/(9),(8)/(15)

Evaluate : (i) (3)/(7)+(-4)/(9)-(-11)/(7)-(7)/(9)

Evaluate : (i) (3)/(7)+(-4)/(9)+(-11)/(7)+(7)/(9)

(9)/(7)times(3)/(5)+(8)/(7)-(9)/(7)times(10)/(9)

Arrange (9)/(11), (9)/(7), (9)/(15), (9)/(13), (9)/(5) in ascending order.

Evaluate: ((-7))/(18)xx(9)/(14)