[tex] > resolucao \\ \\ \geqslant progressao \: geometrica \\ \\ an = a1 \times q {}^{n - 1} \\ an = \frac{1}{8} \times 4 {}^{9 - 1} \\ an = \frac{1}{8} \times 4 {}^{8} \\ an = \frac{1}{8} \times 65536 \\ an = \frac{65536}{8} \\ an = 8192 \\ \\ > < > < > < > < > < > < > > > [/tex]
