2026 SPS P1 Q3

2026 SPS P1 Q3

Secondary 4
2 marks
  1. Express 0.00047 in standard form.[1]
  2. Express 1 km as a percentage of 0.4 nm, where \(1\text{ nm}=1\times10^{-9}\text{ m}\). Give your answer in standard form.[1]

Solution:

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Answer:(a) \(4.7\times10^{-4}\). (b) \(2.5\times10^{14}\%\).

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