[" 7.Simplify "],[qquad [" (i) "((81)/(49))^(-(3)/(2))]]

Evalute ((81)/(49))^(-3//2)

Simplify (i) ((81)/(49))^(-(3)/(2)) (ii) (14641)^(0.25) (iii) ((32)/(243))^(-(4)/(5)) (iv) ((7776)/(243))^(-(3)/(5))

Simplify : a. ((4)/(7) div (36)/(49)) - (1)/(2)

(i) 81^(1/2)

Simplify: ((81)/(16))^(-(3)/(4))x[((25)/(9))^(-(3)/(2))-:((5)/(2))^(-3)]

Simplify the following: (-i)(2i)(-(1)/(8)i)^(3)

simplify :((81)/(16))^(-(3)/(4))xx[((25)/(9))^(-(3)/(2))-:((5)/(2))^(-3)

Simplify: (9+4i) ((3)/(2)-i) (9-4i)

9.Simplify: (i) "(4)/(81)times(-3)/(25)times(27)/(64)times(-60)/(21)