Square Root of 991

Instant answer with step-by-step solution

√991 = 31.4801524774
√991 = 31.4801524774
⚠ 991 is not a perfect square — result rounded to 10 significant figures

Step-by-step explanation

  1. We need to find √991 — a number that when multiplied by itself equals 991.
  2. 991 is not a perfect square. Its square root is irrational.
  3. It falls between √961 = 31 and √1024 = 32.
  4. Using the formula √N = N^(1/2): √991 = 991^0.5 = 31.4801524774
  5. Verification: 31.4801524774 × 31.4801524774 ≈ 991 ✓ (rounded to 10 significant figures)

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