2025 YCKSS PRELIMS P1 Q17

2025 YCKSS PRELIMS P1 Q17

Secondary 4
4 marks
  1. Write 0.00728 in standard form.[1]
    1. Write \(8.17\times10^{501}\) in the form \(A\times10^{500}\).[1]
    2. Work out \((6.3\times10^{500})+(8.17\times10^{501})\), giving the answer in standard form.[2]

Solution:

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Answer:(a) \(7.28\times10^{-3}\) (b)(i) \(81.7\times10^{500}\) (ii) \(8.8\times10^{501}\)

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