If 2^2n + 2^2n + 2^2n + 2^2n = 4^18, then n = Choose the correct choice
A) 3  B) 6  C) 17  D) 23  E) 24
2^2n + 2^2n + 2^2n + 2^2n = 4^18   =&gt; 4 x 2^2n = 4^24 = 2^36   =&gt; 2^2 x 2^2n = 2^36   =&gt; 2^(2n+2) = 2^36   =&gt; 2n+2 = 36=&gt; n =17   So. Answer will be 17.
<result>C</result>
If 2^2n + 2^2n + 2^2n + 2^2n = 4^18, then n =