what is 2/5 as a decimal

The number 2 is a natural number that comes after 1 and before 3. It is the smallest and only even prime number. In mathematics, it represents a quantity of two and is used for counting, labeling, and measuring. The number 2 has significance in various fields including mathematics, computer science, and everyday life, for example, humans typically have two hands and two eyes. It is also the base of the binary number system used extensively in computing. The word for 2 in English is "two".