Question

Calcule o décimo termo da P.G. (7,14, 28, ...)

Answer 1

q = 14/7
q = 2

$a_{10} = a_1 \cdot q^9 \\ \\ a_{10} = 7 \cdot 2^9 \\ \\ a_{10} = 7 . 512 \\ \\ \boxed{a_{10} = 3584}$