Question

Qual o 10 termo de uma P.G com a1 = 20 é q= 2.
an= a1.q (n-1)

Answer 1

$> \: resolucao \\ \\ \geqslant \: progressao \: \: geometrica \\ \\ a1 = 20 \\ q = 2 \\ n = 10 \\ \\ = = = = = = = = = = = = = = = = \\ \\ > \: o \: decimo \: termo \: da \: pg \\ \\ an = a1 \times q {}^{n - 1} \\ an = 20 \times 2 {}^{10 - 1} \\ an = 20 \times 2 {}^{9} \\ an = 20 \times 512 \\ an = 10240 \\ \\ \\ \geqslant \leqslant \geqslant \leqslant \geqslant \leqslant \geqslant \leqslant \geqslant$