What is 5x8?

5x8 is written as 5 multiplied by 8, which equals 40. It is commonly used as a measurement for a standard notebook or index card. It can also refer to the size of a utility trailer or cargo trailer that is 5 feet wide and 8 feet long. In geometry, 5x8 can represent the dimensions of a rectangle with a length of 8 units and a width of 5 units.