What is the Square Root of 668?

Step-by-step explanation

1. We need to find √668 — a number that when multiplied by itself equals 668.
2. 668 is not a perfect square. Its square root is irrational.
3. It falls between √625 = 25 and √676 = 26.
4. Using the formula √N = N^(1/2): √668 = 668^0.5 = 25.8456959666
5. Verification: 25.8456959666 × 25.8456959666 ≈ 668 ✓ (rounded to 10 significant figures)

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