What is 15 divided by square root of 8? (15/√8)

15 divided by square root of 8

Here we will show you how to calculate 15 divided by the square root of 8. In fact, we will show you two different ways of calculating 15 divided by √8. We start by displaying the problem we are solving in mathematical terms, as follows:

15 ÷ √8 =

		15
		√8

Method 1
To solve the problem 15 divided by the square root of 8 using this method, we first find the square root of 8, and then we divide 15 by the answer to the square root of 8.

		15
		√8

≈

		15
		2.8284271

		15
		2.8284271

≈ 5.3033009

Method 2
With this alternate method, we first move the radical from the denominator to the numerator by multiplying the numerator and denominator by √8 like this.

		15 × √8
		√8 × √8

≈

		42.4264069
		8

Then we divide the numerator by the denominator to once again get the answer to 15 divided by the square root of 8.

		42.4264069
		8

≈ 5.3033009

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