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Question 5
83%
a.

Simplify 8k4×3k−38k^4 \times 3k^{-3}8k4×3k−3

[1]
b.

Simplify (4x2y5)3(4x^2y^5)^3(4x2y5)3

[2]
c.

a5×a4=a12×aya^5 \times a^4 = a^{12} \times a^ya5×a4=a12×ay

Find the value of yyy

[2]

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