What is the smallest integer k for which 64^k > 4^19? Answers
A) 4 B) 5 C) 6 D) 7 E) 8
64^k &gt; 4^19   4^(3k) &gt; 4^19   3k &gt; 19   k = 7   The answer is 7.
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What is the smallest integer k for which 64^k > 4^19?