Answer:
commutative property
Step-by-step explanation:
Given equation: [tex]\pi+10=10+\pi[/tex]
The property of real number used in this equation is Commutative property
Commutative property : A binary operation [tex]{\displaystyle *}[/tex] on a set is commutative if [tex]a {\displaystyle *}b= b{\displaystyle *}a[/tex]
Following this property [tex]\pi+10=10+\pi[/tex]