tentukan suku ke-10 dari barisan geometri 4,8,16

$r = \frac{8}{4} = 2$
Nilai \(a = 4\)
Berdasarkan rumus suku geometri, \(U_n = ar^{n-1},\)
\(U_{10} = 4 \times 2^{10-1}\)
\(U_{10} = 4 \times 2^9\)
\(U_{10} = 2^2 \times 2^9\)
\(U_{10} = 2^{11}\)