11^9 - 11^2 is approximation of which of the following?	Choose the correct choice from the following options
A) 9^7 B) 9^8 C) 9^9 D) 11^9 E) 9^10
=&gt; Since 9^2 is a small number compared to 11^9, it can be disregarded. Thus, 11^9-11^2=11^9 is derived and the answer is 11^9.
<result>D</result>
11^9 - 11^2 is approximation of which of the following?