The number of schools that purchased a certain program changed by a factor of three for five consecutive years. Which list could represent the number of schools that purchased this program?

1 answer

A) 2, 6, 8, 12, 36

B) 5, 15, 45, 135, 405

C) 1, 3, 9, 27, 81

D) 10, 30, 90, 270, 810

The correct answer is: B) 5, 15, 45, 135, 405