Express each of the following as a rational number of the form, where p and q are integers and q0:

(i) 2^{-3}

(ii) (-4)^{-2}

(iii)

(iv)

(v)

(i) 2^{-3} = = [Using a^{-n} = ]

(ii) (-4)^{-2} = = = [Using a^{-n} = ]

(iii) = [Using ^{n}]

(iv) = = = [Using ^{-n} = ]

(v) = = [Using ^{-n} = ]

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