What is 4 divided by square root of 78? (4/√78)

4 divided by square root of 78

Here we will show you how to calculate 4 divided by the square root of 78. In fact, we will show you two different ways of calculating 4 divided by √78. We start by displaying the problem we are solving in mathematical terms, as follows:

4 ÷ √78 =

		4
		√78

Method 1
To solve the problem 4 divided by the square root of 78 using this method, we first find the square root of 78, and then we divide 4 by the answer to the square root of 78.

		4
		√78

≈

		4
		8.8317609

		4
		8.8317609

≈ 0.4529108

Method 2
With this alternate method, we first move the radical from the denominator to the numerator by multiplying the numerator and denominator by √78 like this.

		4 × √78
		√78 × √78

≈

		35.3270435
		78

Then we divide the numerator by the denominator to once again get the answer to 4 divided by the square root of 78.

		35.3270435
		78

≈ 0.4529108

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