Mock AIME 5 Pre 2005 Problems/Problem 15
We need to find 2^{\frac{11}{2}}=\sqrt{2048}<46
[log_2{53}]=[log_2{54}]=[log_2{55}]=...=[log_2{64}]=6
6\times12=\boxed{72}$.
~AbbyWong
We need to find 2^{\frac{11}{2}}=\sqrt{2048}<46
[log_2{53}]=[log_2{54}]=[log_2{55}]=...=[log_2{64}]=6
6\times12=\boxed{72}$.
~AbbyWong
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