Question

Find the first four terms of the sequence given the rule: an = 4(5)n-1

Answer 1

Answer: 4, 20, 100, 500

Step-by-step explanation:

Assuming that the sequence starts at 1:

Plug in 1, 2, 3, and 4 to the a(n) function to get:

4, 20, 100, 500