In introducing how sequences and series works, let us now familiarize ourse ves by
classifying whether the given is a sequence or a series. Write the letter of the correct
answer in the box provided.

A. 2.4.6.8.10
B. 3 + 6 + 9 + 12 = 30
C. The sum of all the elements is 90.
D. The elements of a set ore 1.2. 4.8. 16.​