ACT Math Practice Question: Geometric Sequences

Try this ACT math practice question on finding terms of a geometric sequence:

The first term of a geometric sequence is $b$, and $r$ is the ratio of the second term to the first term. What is the 100th term of the sequence?

1. $\quad (br)^{99}$
2. $\quad br^{99}$
3. $\quad (br)^{100}$
4. $\quad br^{100}$
5. $\quad br^{101}$