Final answer:
The four most common DVD versions are DVD-5 (4.7 GB), DVD-9 (8.5 GB), DVD-10 (9.4 GB), and DVD-18 (17.08 GB), which are important for customers renting multiple DVDs from stores.
Step-by-step explanation:
The four most common versions of DVDs and their capacities are:
- DVD-5: This is a single-sided single-layer DVD that can hold up to 4.7 GB of data.
- DVD-9: A single-sided dual-layer DVD, which can store up to 8.5 GB of data.
- DVD-10: A double-sided single-layer DVD with a total capacity of 9.4 GB, as each side holds 4.7 GB.
- DVD-18: A double-sided dual-layer DVD capable of storing up to 17.08 GB of data. Each side can hold approximately 8.5 GB.
Customers interested in renting DVDs from video rental stores like Video to Go, which has a five-video limit, find these capacities important as they can determine how much entertainment or information they can avail themselves of at one time.