Sum of Arithmetic Sequence and Summation Notation

Find the 11th partial sum of the sequence where the first term is 10 and the common difference is 7.

• 495

• 80

• 395

• 90

Calculate the sum.

• 66

• 14

• 704

• 114

Evaluate the sum.

• 36

• 85

• 35

• 105

Find the 20th partial sum of the arithmetic sequence: 3, 11, 19 ...

• 1660

• 1580

• 1705

• 1550

Q1. How many people live in the city?

• A) 149

• B) 11,200

• C) 5,600

• D) 140

Determine the sum of the series written in Sigma Notation. 

• 5400

• 2692

• 2700

• 2704

Find the sum of the first 16 terms of the arithmetic series

• A

• B

• C

• D

Find the sum of the arithmetic series using a formula.

• 516, 240

• 516,242

• 116, 242

• 506, 242

Find the sum of the first 15 terms of the arithmetic series

• A

• B

• C

• D

What is the sum of the first 100 positive integers (1, 2, 3...)?

• 5050

• 5151

• 4949

• 5000