What are Arithmetic and Geometric Sequences? A sequence is a group of numbers, called terms, arranged in a specific order. Arithmetic Sequences. Arithmetic sequences have a common difference. In other words the same value is added or subtracted from term to term. Example: 1, 3, 5, 7, 9, 11 (common difference is +2)
The Kelvin temperature scale is useful because scientists around the world use it as a temperature scale so that they don't have to convert Celsius to Fahrenheit or vise versa â¦ .
Most sciences employ the metric system of measurement. In fact, most of the world in general uses the metric system. Technically, the standard set of units most often used is called SI units, although many of them are similar to the metric system. See the Related Questions link for all the SI units.