Actually written as -2, an integer
002+002+001=005
real
Pi is an Irrational number, which is one of the two subcategories of real numbers.
454116-002
They make up the Real numbers.
Zero is 002. Well the numbers repersent wat examination number they are meaning wat examiny they are, so the numbers are given to each pair Ichi 001 Zero 002 , San 003 forta 004, Goe 005 Rokka 006,ect. so its like a ID number
s
The set of Real numbers includes all commonly used numbers. But the Real numbers are only a proper subset of the set of Complex numbers, and the Complex numbers are a proper subset of Quaternions.It is a bit like the Russian Babushka dolls with one doll inside another which is inside another, and so on. In reality, therefore, there is no such set.Also, note that "Group" has a very special meaning in mathematics. The set of Real numbers is a group, but it is also a Field.
The answer depends on the operation under consideration.
A real number is just an ordinary number. The set of real numbers include all numbers between negative and positive infinity. Real numbers are ordered, and thus do not include imaginary numbers. A subset of real numbers refers to a group, or subsection, of real numbers. For instance, the numbers between 5 and 22 are a subset of real numbers. Another example of a subset is all even numbers, or all odd numbers.
Closure: The sum of two real numbers is always a real number. Associativity: If a,b ,c are real numbers, then (a+b)+c = a+(b+c) Identity: 0 is the identity element since 0+a=a and a+0=a for any real number a. Inverse: Every real number (a) has an additive inverse (-a) since a + (-a) = 0 Those are the four requirements for a group.
It follows from the fact that real numbers area group with respect to addition and the decimal representation of numbers.