Question

The problem number 1 is the question. See attached photo.

Answer 1

Answer:

$\sum\limits^5_{n =1} n = 15$

Step-by-step explanation:

Given

$\sum\limits^5_{n =1} n$

Required

Compute

This implies that we add n whose value ranges from 1 to 5.

So:

$Sum = 1 + 2 + 3 + 4 + 5$

$Sum =15$

Hence:

$\sum\limits^5_{n =1} n = 15$