What is the smallest integer k for which 64^k > 4^16?	Select:
A) 4
B) 5
C) 6
D) 7
E) 8
64^k &gt; 4^16   4^(3k) &gt; 4^16   3k &gt; 16   k = 6   The answer is 6.
<result>C</result>
What is the smallest integer k for which 64^k > 4^16?