Question

Determine o décimo termo da P.G (1,2,4,...)

Answer 1

$P.G (1,2,4,...)\\\\ a_1=1\\ q=2\\ n=10\\ a_n=a_{10}=?\\\\\\ a_n=a_1 *q^{n-1}\\\\\\ a_{10}=1*2^{10-1}\to \\\\ a_{10}=1*2^{9}\to \\\\ a_{10}=1*512\to \\\\ a_{10}=512$