Is 8 a perfect square?

No, 8 is not a perfect square. Its square root is irrational.

What is 2.8284271247 squared?

2.8284271247 squared is approximately 8. (2.8284271247)² ≈ 8

√8 = 2.8284271247. 8 is not a perfect square; the result is irrational.

Instant answer with step-by-step solution

√8 = 2.8284271247

√8 = 2.8284271247

⚠ 8 is not a perfect square — result rounded to 10 significant figures

We need to find √8 — a number that when multiplied by itself equals 8.
8 is not a perfect square. Its square root is irrational.
It falls between √4 = 2 and √9 = 3.
Using the formula √N = N^(1/2): √8 = 8^0.5 = 2.8284271247
Verification: 2.8284271247 × 2.8284271247 ≈ 8 ✓ (rounded to 10 significant figures)

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