HKDSE-MATH - 2012PP - Paper 1 -

Ans: $\dfrac{y^7}{x^{10}}$
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& \

Ans: B
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& (27\cdot 9^{n+1})^3 \\
=

Ans: $\dfrac{x^3}{y^{10}}$
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& \

Ans: B
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& (2n^3)^{-5} \\
= & 2

Ans: $\dfrac{n^{35}}{m^6}$
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& \

Ans: D
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& \dfrac{(3y^6)^4}{3y^2

Ans: $x^{11}y^{20}$
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& \dfrac{(

Ans: A
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& 8^{222} \cdot 5^{666} \\

Ans: $\dfrac{m^{22}}{n^3}$
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& \

Ans: D
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& \left(\dfrac{1}{9^{55

Ans: $\dfrac{x^9}{y^5}$
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& \dfr

Ans: B
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& \dfrac{8^{2n+1}}{4^{3

Ans: D
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& \dfrac{(6x^7)^2}{4x^5

Ans: $\dfrac{m^9}{n^{10}}$
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& \

Ans: C
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& \dfrac{6x}{(3x^{-5})^

Ans: $\dfrac{\beta^{23}}{\alpha^8}$
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Ans: B

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& \dfrac{(2^n)(8^{3n})}

Ans: $\dfrac{a^{17}}{b^{14}}$

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