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2 years ago

Which mathematical property is demonstrated?

2 answers:

8 0

The best and most correct answer among the choices provided by your question is the third choice or letter C "<span>commutative property of addition."

</span>The word "commutative" comes from "commute" or "move around", so theCommutative Property<span> is the one that refers to moving stuff around. For </span>addition<span>, the rule is "a + b = b + a"; in numbers, this means 2 + 3 = 3 + 2. For multiplication, the rule is "ab = ba"; in numbers, this means 2×3 = 3×2.</span>

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valina [46]2 years ago

4 0

Answer:

Option C - Commutative property of addition

Step-by-step explanation:

Given : 7 + 9 + 3 = 7 + 3 + 9

To find : Which mathematical property is demonstrated?

Solution :

The given expression is 7 + 9 + 3

Now, we see there is an interchanging of position of 3 and 9.

which represent the commutative property.

There is addition in between the numbers.

So, the mathematical property used in expression is 'commutative property of addition'.

Therefore, option C is correct.

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<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

The statement that is given to us is" the sum of forty-five and a number", therefore, the expression that will represent this can be written as,

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Now, if the value of n is 1.1. Then the sum will be,

$45+n\\\\=45+1.1\\\\=46.1$

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