Question

5 ∑3i i=1 it was kinda hard to type but the five is on top plzzzzz helppppp

Answer 1

45

Explanation:

We are using sigma notation to solve for a sum of arithmetic sequences:

The 5 stands for stop at i = 5 (inclusive)

The i = 1 stands for start at i = 1

The 3i stands for expression of each term in the sum