Respostas

2014-04-18T13:59:37-03:00
 \frac{16 ^{5}.64 ^{3}}{2 ^{22}.1024} = \frac{(2^{4})^{5} . (2^{6})^{3} }{2^{22}. (2^{10})} =  \frac{2^{20}. 2^{18}  }{ 2^{22}.2^{10}} =  \frac{2^{38}}{2^{32}} = 2^{6}
A resposta é a letra B, já que 2^6 = 4^3
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