What is 4 divided by square root of 20? (4/√20)

4 divided by square root of 20

Here we will show you how to calculate 4 divided by the square root of 20. In fact, we will show you two different ways of calculating 4 divided by √20. We start by displaying the problem we are solving in mathematical terms, as follows:

4 ÷ √20 =

		4
		√20

Method 1
To solve the problem 4 divided by the square root of 20 using this method, we first find the square root of 20, and then we divide 4 by the answer to the square root of 20.

		4
		√20

≈

		4
		4.4721360

		4
		4.4721360

≈ 0.8944272

Method 2
With this alternate method, we first move the radical from the denominator to the numerator by multiplying the numerator and denominator by √20 like this.

		4 × √20
		√20 × √20

≈

		17.8885438
		20

Then we divide the numerator by the denominator to once again get the answer to 4 divided by the square root of 20.

		17.8885438
		20

≈ 0.8944272

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