2026 IGCSE 0580 February/March P22 Q12

2026 IGCSE 0580 February/March P22 Q12

5 marks
  1. Write \(230000\) in standard form.[1]
  2. Work out \((4.2\times10^{32})-(4.2\times10^{31})\).
    Give your answer in standard form.[2]
  3. Work out \((80\times10^{50})^{\frac13}\).
    Give your answer in standard form.[2]

Solution:

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Answer:(a) \(2.3\times10^5\). (b) \(3.78\times10^{32}\). (c) \(2\times10^{17}\).

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