salted egg's answer to Renny Fu's Secondary 1 Maths Singapore question.
done
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hi im sure there are other faster methods to do this qn but this is what i would do
Date Posted:
3 years ago
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That number we need to find
= cube of (2^2 x 7)
= (2^2 x 7)^3
= (2^2)^3 x 7^3
= 2^(2 times 3) times 7^3
= 2^6 times 7^3