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Find the number of positive integers \(n\) so that \(4 < \sqrt{n} < 10\)
 

 Apr 14, 2019

Best Answer 

 #1
avatar+2209 
+3

Since \(\sqrt{n}\) can be 5,6,7,8,9.

 

You sqaure the possible solutions to get 25,36,49,64,81.

 

These are the ONLY solutions because the problem said "positive integers"

 

So there are 5 possible solutions

 Apr 14, 2019
 #1
avatar+2209 
+3
Best Answer

Since \(\sqrt{n}\) can be 5,6,7,8,9.

 

You sqaure the possible solutions to get 25,36,49,64,81.

 

These are the ONLY solutions because the problem said "positive integers"

 

So there are 5 possible solutions

CalculatorUser Apr 14, 2019
 #2
avatar+104652 
+1

Very nice, CU  !!!!!

 

 

cool cool cool

CPhill  Apr 14, 2019
 #3
avatar+200 
0

Thanks CalculatorUser and CPhill!

 Apr 14, 2019

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