3 divided by square root of 18




Here we will show you how to calculate 3 divided by the square root of 18. In fact, we will show you two different ways of calculating 3 divided by √18. We start by displaying the problem we are solving in mathematical terms, as follows:

3 ÷ √18  = 
   
3
 
   
18

Method 1
To solve the problem 3 divided by the square root of 18 using this method, we first find the square root of 18, and then we divide 3 by the answer to the square root of 18.

   
3
 
   
18
  ≈ 
   
3
 
   
4.2426407

   
3
 
   
4.2426407
  ≈  0.7071068


Method 2
With this alternate method, we first move the radical from the denominator to the numerator by multiplying the numerator and denominator by √18 like this.

   
3 × √18
 
   
18 × √18
  ≈ 
   
12.7279221
 
   
18

Then we divide the numerator by the denominator to once again get the answer to 3 divided by the square root of 18.

   
12.7279221
 
   
18
  ≈ 0.7071068 

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