# What is the sum of the integers between -sqrt13 and sqrt39?

Nov 2, 2016

15

#### Explanation:

$- \sqrt{13} \cong - 3.6$

$\sqrt{39} \cong 6.2$

Hence the integers between $- \sqrt{13}$ and $\sqrt{39}$ are:

$- 3 , - 2 , - 1 , 0 , 1 , 2 , 3 , 4 , 5 , 6$

And the sum of these integers is: $4 + 5 + 6 = 15$