Comparing decimals

Which is bigger, and why the number of digits after the point does not decide it.

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• S24-A72 marksSMC 2024 — Primary 4 (Grade 4) Contest Paper

  Arrange the following from the greatest to the smallest: 9/20, 0.54, 4.05, 1/2

  • (A) 9/20, 0.54, 1/2, 4.05
  • (B) 1/2, 9/20, 0.54, 4.05
  • (C) 4.05, 0.54, 9/20, 1/2
  • (D) 4.05, 0.54, 1/2, 9/20

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