87 divided by square root of 31




Here we will show you how to calculate 87 divided by the square root of 31. In fact, we will show you two different ways of calculating 87 divided by √31. We start by displaying the problem we are solving in mathematical terms, as follows:

87 ÷ √31  = 
   
87
 
   
31

Method 1
To solve the problem 87 divided by the square root of 31 using this method, we first find the square root of 31, and then we divide 87 by the answer to the square root of 31.

   
87
 
   
31
  ≈ 
   
87
 
   
5.5677644

   
87
 
   
5.5677644
  ≈  15.6256613


Method 2
With this alternate method, we first move the radical from the denominator to the numerator by multiplying the numerator and denominator by √31 like this.

   
87 × √31
 
   
31 × √31
  ≈ 
   
484.3954996
 
   
31

Then we divide the numerator by the denominator to once again get the answer to 87 divided by the square root of 31.

   
484.3954996
 
   
31
  ≈ 15.6256613 

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