Square Root of 398 (√398 = 19.949937)

Exact Answer

√398 = 19.949937

Principal Root (√398)

19.949937

Real Roots

±19.949937

Perfect Square?

No (Irrational)

Exponential Form

398^(1/2)

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Step-by-Step Solution: √398 = 19.949937

Step 1

Definition of Square Root

The square root of 398 is the number y such that y × y = 398.

√398 = 19.949937

Summary & Alternative Representations

Property / Format	Value
Principal Root (√398)	`19.949937`
Real Roots	`±19.949937`
Perfect Square?	`No (Irrational)`
Exponential Form	`398^(1/2)`

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Frequently Asked Questions

Is 398 a perfect square?

No, 398 is not a perfect square; its decimal approximation is 19.949937.