# Chapter R - Section R.4 - Properties of Real Numbers - R.4 Exercises: 5

order

#### Work Step by Step

The commutative properties hold that $a+b=b+a$ and $ab=ba$ (for real numbers $a$ and $b$). Therefore, the commutative property is used to change the order of two terms or factors. For example, the commutative property holds that $4+6=6+4=10$.

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