What do you mean by Real Number in math?

What do you mean by Real Number in math?

An online real number definition

Set of real numbers including all the rational and irrational numbers.

Real Numbers Using Stack of Funnels

Properties of Real Numbers

S.No Property Example
1.  Commutative Property of Addition
a + b = b + a
2 + 3 = 3 + 2
2. Commutative Property of Multiplication
a • b = b . a
2 • ( 3 ) = 3 • ( 2 )
3. Associative Property of Addition
a + b + c ) = ( a + b ) + c 
2 + ( 3 + 4 ) = ( 2 + 3 ) + 4
4.  Associative Property of Multiplication
a • ( b • c ) = a • b ) • c
2 • ( 3 • 4 ) = ( 2 • 3 ) • 4
5. Distributive Property
a • ( b + c ) = a • b + a • c
2 • ( 3 + 4 ) = 2 •  3 + 2 • 4
6. Additive Identity Property
a + = a
 3 + 0 = 3
7.  Multiplicative Identity Property
a •  1 = a
3 • 1  = 3
8. Additive Inverse Property
a + ( -a ) = 0
3 + (-3) = 0
9.  Multiplicative Inverse Property

Note: a cannot = 0
10. Zero Property
• 0 = 0
5 • 0 = 0

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