2025 GESS PRELIMS P1 Q2

2025 GESS PRELIMS P1 Q2

Secondary 4
3 marks
  1. If \(10^m=2\) and \(10^n=11\), find the value of \(10^{2m-n}\).[1]
  2. Simplify \(\dfrac{7mn^{-1}}{m^2}\div\dfrac{(mn^2)^3}{7}\).[2]

Solution:

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Answer:(a) \(\frac4{11}\) (b) \(\frac{49}{m^4n^7}\)

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