# Infinite geometric series

## Everything You Need in One PlaceHomework problems? Exam preparation? Trying to grasp a concept or just brushing up the basics? Our extensive help & practice library have got you covered. | ## Learn and Practice With EaseOur proven video lessons ease you through problems quickly, and you get tonnes of friendly practice on questions that trip students up on tests and finals. | ## Instant and Unlimited HelpOur personalized learning platform enables you to instantly find the exact walkthrough to your specific type of question. Activate unlimited help now! |

#### Make math click 🤔 and get better grades! 💯Join for Free

0/1

##### Intros

0/5

##### Examples

###### Lessons

**Using the common ratio to determine whether a sum to infinity exists**

For each geometric series determine the:

i) common ratio.

ii) sum of the first 10 terms.

iii) sum to infinity.

**Expressing a repeating decimal as an infinite geometric series**

For the repeating decimal:

i) express it as an infinite geometric series.

ii) write it as a fraction by evaluating the sum of the infinite geometric series.