Square Root of 399 (√399 = 19.974984)

Exact Answer

√399 = 19.974984

Principal Root (√399)

19.974984

Real Roots

±19.974984

Perfect Square?

No (Irrational)

Exponential Form

399^(1/2)

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Step-by-Step Solution: √399 = 19.974984

Step 1

Definition of Square Root

The square root of 399 is the number y such that y × y = 399.

√399 = 19.974984

Summary & Alternative Representations

Property / Format	Value
Principal Root (√399)	`19.974984`
Real Roots	`±19.974984`
Perfect Square?	`No (Irrational)`
Exponential Form	`399^(1/2)`

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Frequently Asked Questions

Is 399 a perfect square?

No, 399 is not a perfect square; its decimal approximation is 19.974984.