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Evaluate: (i) ((5)/(9)) ^(-2) xx ((3)...

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)`

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Evaluate : [((1)/(2))^(3)-((1)/(3))^(2)]times((3)/(5))^(2)times((-2)/(3))^(3)

(3/2 xx (-7)/4) - ((-5)/2 xx 3/4)