Question

qual e o 8° termo da pg 3,12,48

Answer 1

P.G.=(3,12, 48, ...,)          a8 = ?


$q= \frac{a_2}{a_1}\\\\q= \frac{12}{3}\\\\q=4 \\\\\\a_n=a_1*q^7 \\ \\ a_8=3*4^7 \\ \\ a_8=3*16384 \\ \\ a_8=49152$