Question

QUAL O 10 TERMO DA P.G (-30,-60,-120

Answer 1

$P.G (-30,-60,-120)\\ \\ a_{n} = a_{10} = ?\\a_{1} =-30\\n=10\\q=2\\\\ a_{n} = a_{1} * q^{n-1} \\\\\\ a_{10} = -30 * 2^{10-1} \to \\\\a_{10} = -30 * 2^{9} \to \\\\a_{10} = -30 * 512\to\\\\ a_{10} = -15.360$