Here we will show you how to calculate 21 divided by the square root of 57. In fact, we will show you two different ways of calculating 21 divided by √57. We start by displaying the problem we are solving in mathematical terms, as follows:
| 21 ÷ √57 = |
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Method 1
To solve the problem 21 divided by the square root of 57 using this method, we first find the square root of 57, and then we divide 21 by the answer to the square root of 57.
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≈ 2.7815179 |
Method 2
With this alternate method, we first move the radical from the denominator to the numerator by multiplying the numerator and denominator by √57 like this.
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Then we divide the numerator by the denominator to once again get the answer to 21 divided by the square root of 57.
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≈ 2.7815179 |
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