# How do you find the indicated term of the geometric sequence where a_1=1/3, r=3, n=8?

${a}_{8} = 729$
Use the formula for a geometric sequence ${a}_{n} = {a}_{1} \cdot {r}^{n - 1}$
${a}_{8} = \frac{1}{3} \cdot {3}^{8 - 1}$
${a}_{8} = 729$