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Step-by-step explanation:
i) 2²/³ . 2¹/³ = 2²/³ ⁺ ¹/³ = 2³/³ = 2¹
ii) (3¹/⁵)⁴ = 3¹/⁵ˣ⁴ = 3⁴/⁵
iii) 7¹/⁵ / 7¹/³ = 7¹/⁵ ⁻ ¹/³ = 7⁻²/¹⁵
iv) 13¹/⁵. 17¹/⁵ = (13 . 17)¹/⁵ = (221)¹/⁵
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