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Express each of the following as a rational number of the form (p/q):(i) (3/7)2(ii) (7/9)3(iii) (-2/3)4 |
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Answer» (i) Given (3/7)2 (3/7)2 = (3/7) x (3/7) = (9/49) (ii) Given (7/9)3 (7/9)3 = (7/9) x (7/9) x (7/9) = (343/729) (iii) Given (-2/3)4 (-2/3)4 = (-2/3) x (-2/3) x (-2/3) x (-2/3) = ((16/81) |
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