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Q: What is the principal square root of 16?

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16.

The principal square root is the non-negative square root.

+4.

A principal square root is any square root that's answer is positive, and a perfect square root is a square root that's answer is an integer.

The principal square root of 9, the positive integer which is the square root of the number, is 3.

The principal (positive) square root of 225 is 15.

The principal root is the positive square root.

the principal root is the positive square root.

The principal square root.

The principal square root is 100.

Yes.

the square root of 16 is exactly 4 so answer is 4.00 but again it is exact and not simply nearest

If unspecified, the square root is the principal root, which is the positive root.

The square root of 16 is 4.

The square root OF 16? It's 4.

The principal root of a number is the positive real square root of the number - if it exists. Since -25 is negative, it does not have a real square root. Its square roots are the imaginary numbers +/-5i where i is the [imaginary] square root of -1. i is neither positive nor negative and so neither +5i nor -5i is a principal root.

The principal square root of 100 is 10.

Yes, it is the principal square root of 4, and it is rational.

The principal square root of 225 simplifies to 15.

16 or -16The square root of 256 is 16. 16

The square root of 49 is 7

Restricting the discussion to real numbers for now. In this case, the square root is only defined for non-negative numbers; the principal square root of a positive number is the POSITIVE square root. For example, both +5 and -5 are square roots of 25, since both - when squared - give you 25. But the positive square root (+5) is called the principal square root, and if you write the square root symbol, that's the number usually meant.

-13 or +13 are both square root of 169, but we often use the positive square root, 13, as the principal square root.

Rounded to two decimal places, the principal square root of 121400 is 348.43.

The opposite of a square root is the square of a number. For example, the principal square root of 81 is 9, while the square of 9 is 81.

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