Question

Name the property. a + b is a real number.*

Commutative Property of Addition
Commutative Property of Multiplication
Associative Property of Addition
Associative Property of Multiplilcation
Identity Property of Addition
Closure Property of Addition

Answer 1

`a + b = b + a \: \forall \: a, \: b \in \: \R \ \\ a * b = b * a\: \forall \: a, \: b \in \: \R \\ (a + b) + c = (b + c) + a\: \forall \: a, \: b, \: c, \in \R \\ (a * b) * c = (b * c) * a \: \forall \: a, \: b, \: c, \in \R \\a+0=0+a=0 \: \forall \: a,\in \: \R \\a +b=c\: \forall \: a, \: b, \: c, \in \R`

Answer 2

Closure Property of Addition

Explanation: