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A positive number has two square roots, its principal (positive) root and its negative root. This is because a negative number multiplied by a negative number equals a positive number. In this instance, the square roots of 256 are 16 and -16.

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Q: What are the two square roots of 256?
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Related questions

What are the square roots of 256?

256 has two square roots: 16 and -16.


What the square roots of -256?

There are no real square roots of -256. But using complex numbers the square roots of -256 are 16i and -16i.


What is the positive and negative square roots of 256?

The positive square root of 256 is 16 because 16 multiplied by 16 equals 256. The negative square root of 256 is -16 because -16 multiplied by -16 also equals 256. In general, for any positive number x, the square roots of x are both a positive and a negative number, with the positive square root being the principal square root.


How do you simplify radical square roots?

Look for the largest square number in its factors. The square root of 512 is equal to the square root of 2 times the square root of 256. The square root of 256 is 16. The square root of 512 simplifies to 16 times the square root of 2.


What are the two square roots of 0.0256?

√0.0256 = ± 0.16 The two square roots are 0.16 and -0.16.


What are the two square roots for 196?

The square roots of 196 are 14 and -14.


What is two square roots of the number 169?

The two square roots of the number, '169', are +13 and -13 .


How many square feet in 16x16 room?

256 on the floor. 256 on the ceiling. More on the walls, but we can't calculate them without knowing the height of the room.


What two square numbers when subtracted make 33?

289 - 256 = 33


What is the two square roots of 81?

Both 9 and -9 are square roots of 81


What are the 2 square roots of 4900?

The two square roots are +70 and -70 .


What are the 2 square roots of 18?

The two square roots of 18 are: 4.242641 and -4.242641