Answer:
commutative property of addition.
Step-by-step explanation:
In mathematics, a binary operation is commutative if changing the order of the operands does not change the result. It is a fundamental property of many binary operations, and many mathematical proofs depend on it.
Answer:
123
Step-by-step explanation:
4x means "x" times the number 4. You can rewrite 4x as:
x + x + x + x
x^4 (x to the 4th power) means "x" times itself, 4 times. You can rewrite x^4 as:
x × x × x × x