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 = ]