If n is an integer and 101n^2 is less than or equal to 6400, what is the greatest possible value of n? Choose the correct choice from the following answers.
A) 7  B) 8  C) 9  D) 10  E) 11
101 * n^2 &lt;=6400   n^2 &lt;=6400/101 which will be less than 81 since  6400/100= 
<gadget id="calculator"> 6400/100</gadget>
<output>64</output>
64 which is the square of 9   Next closest value of n where n^2&lt;=64 is 7   7ns 7
<result>A</result>
If n is an integer and 101n^2 is less than or equal to 6400, what is the greatest possible value of n?