Square Root of 423 (√423 = 20.566964)

Exact Answer

√423 = 20.566964

Principal Root (√423)

20.566964

Real Roots

±20.566964

Perfect Square?

No (Irrational)

Exponential Form

423^(1/2)

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Step-by-Step Solution: √423 = 20.566964

Step 1

Definition of Square Root

The square root of 423 is the number y such that y × y = 423.

√423 = 20.566964

Summary & Alternative Representations

Property / Format	Value
Principal Root (√423)	`20.566964`
Real Roots	`±20.566964`
Perfect Square?	`No (Irrational)`
Exponential Form	`423^(1/2)`

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Frequently Asked Questions

Is 423 a perfect square?

No, 423 is not a perfect square; its decimal approximation is 20.566964.