Simplify $$\(g^{7} \times g^{3}\)$$ (1) (b) Simplify $$\(\left(k^{3}\right)^{5}\)$$ (1) (c) Simplify fully $$\(\frac{20 x^{2} y^{6}}{4 x^{2} y^{2}}\)$$ (2) (d) Make $$\(e\)$$ the subject of the formula $$\(h=3 e+f\)$$ (2)

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