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Q: What is the exact value for the expression the square root of 189 minus the square root of 21 plus the square root of 84 Simplify if possible.?

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The exact square root is âˆš6 or 60.5. It is an irrational number and so cannot be expressed in exact form as a decimal number.

When they can be square rooted into an exact integer

You can't simplify √15 while remaining exact. To 3 decimal places, √15 ≈ 3.873.

If you mean precise. It means to be exact. marked by exactness and accuracy of expression or detail

This isn't an exact root. Just calculate the square root on your calculator, and round it to the desired accuracy.This isn't an exact root. Just calculate the square root on your calculator, and round it to the desired accuracy.This isn't an exact root. Just calculate the square root on your calculator, and round it to the desired accuracy.This isn't an exact root. Just calculate the square root on your calculator, and round it to the desired accuracy.

Related questions

exact

The exact length of one side of the square is the square root of 42. My calculator only goes to 7 decimal places, so I cannot give the exact dimension.

The exact square root is âˆš6 or 60.5. It is an irrational number and so cannot be expressed in exact form as a decimal number.

if your object is a rectangle then it is not possible to figure out the exact length of and width because we do not know the ratio of the length to width. if your object is a square then... the length is 29.08607914 the width is 29.08607914

When they can be square rooted into an exact integer

The exact size of 13 square meters depends on what type of shape the space is. If it is a rectangular room than one possible size would be 16 feet by 8 feet.

A direct quote.

4

The square root of 0.8 does not have an exact value. So the question is based on false premises.

You can't simplify √15 while remaining exact. To 3 decimal places, √15 ≈ 3.873.

If you mean precise. It means to be exact. marked by exactness and accuracy of expression or detail

This isn't an exact root. Just calculate the square root on your calculator, and round it to the desired accuracy.This isn't an exact root. Just calculate the square root on your calculator, and round it to the desired accuracy.This isn't an exact root. Just calculate the square root on your calculator, and round it to the desired accuracy.This isn't an exact root. Just calculate the square root on your calculator, and round it to the desired accuracy.