Consider the sequence $0.52, 0.55, 0.58, …, 2.02$.

1. How many terms are there?

   Hint (a):

   Look at the sequence. How does it progress?
   How can you use that to determine the number of terms?

   Answer (a):

   $51$

2. What is the sum of the sequence?

   Hint (b):

   Use the summation equation to determine the sum of this sequence.