Describe the mental math steps you would use to find 7 (42)
2 answers:
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Answer:
The expression can be combined because of the commutative property of addition.
Step-by-step explanation:
A monomial is a number, a variable or a product of a number and a variable where all exponents are whole numbers. That means that
all are examples of monomials.
The commutative property of addition says that changing the order of addends does not change the sum.
If we add or
, the result will be same.
Therefore,
