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  • World Geography and General Knowledge Quiz
  • square root of 0.4
Multiple choice general knowledge

square root of 0.4

  1. 0.72

  2. 0.61

  3. 0.636

  4. 0.2

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

√0.4 ≈ 0.6325. Among the options, 0.636 is closest: 0.636² = 0.4045 ≈ 0.4. Option B (0.61) gives 0.61² = 0.3721, which is less accurate.

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