Question

hallae el termino 18 en la progresion geometrica
1/1024 ; 1/512 ; 1/256 ; .....

Answer 1

hallamos la razon
$R= \frac{ x_{2} }{ x_{1} } = \frac{ \frac{1}{512} }{ \frac{1}{1024} } =2$
el enesimo termino se calcula
$x_{n} = x_{1} * R^{n-1} = \frac{1}{1024}* 2^{18-1}=128$