Which of the following sets of numbers represents a geometric sequence?

What is the common ratio of the geometric sequence: 5, 25, 125, 625?

What is the fourth term in the geometric sequence where the first term is 2 and the common ratio is 3?

If a geometric sequence has a first term of 7 and a common ratio of 2, what is the seventh term?

Given the geometric sequence 10, 20, 40, 80, which term has the value of 640?

What is the sum of the first 5 terms of the geometric sequence where the first term is 1 and the common ratio is 3?

If the second term of a geometric sequence is 12 and the common ratio is 3, what is the first term?

Which of the following is NOT a geometric sequence?

In a geometric sequence, the first term is 8, and the third term is 32. What is the common ratio?

If a geometric sequence has a first term of 10 and a common ratio of 0.5, what is the sum of the first 4 terms?