How do you find the sum of the series #k# from k=1 to 20?

Related questions

• What is summation notation?
• What are some examples of summation notation?
• What is a sample summation notation problem?
• How do I use summation notation on a calculator?
• How do I use summation notation with infinity?
• How do I use summation notation to write the series 2 + 4 + 6 +... for 10 terms?
• How do I use summation notation to write the series 2.2 + 8.8?
• How do I use summation notation to write the series 2.2 + 6.6?
• How do I use summation notation to write the series 2.2 + 6.6 + 11?
• What is the difference between a sequence and a series in math?