Question

resposta: qual é o 6° termo da P.G (512,216...)?

Answer 1

a₁ = 512
a₂ = 256

q = a₂ / a₁ = 256 / 512 = 1/2

$a_n=a_1*q^{(n-1)}\\\\a_6=a_1*q^{(6-1)}\\\\a_6=512*(\frac{1}{2})^5\\\\a_6=512*\frac{1}{32}\\\\a_6=16$