# Assuming that x, y, z are positive real numbers, simplify each of the following:

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Assuming that x, y, z are positive real numbers, simplify each of the following:

i) (-3)5

(ii) (x3 y -2)

(iii) (x-2/3y-1/2)2

(iv) (x)-2/3 y4÷ xy1/2

(v)5243x10y5z10

(vi) (x-4/y-10)5/4

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