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nata0808 [166]
3 years ago
6

Commutative property

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
8 0
Simply put, it says that the numbers can be added in any order, and you will still get the same answer. For example, if you are adding one and two together, thecommutative property<span> of addition says that you will get the same answer whether you are adding 1 + 2 or 2 + 1. This also works for more than two numbers.</span>
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A test has 20 questions. If peter gets 80% correct, how many questions did peter missed?
Umnica [9.8K]
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8 0
2 years ago
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Law Incorporation [45]

Answer:

-5

Step-by-step explanation:

Let n be the unknown number

difference is subtraction

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Divide by 3

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2 years ago
The half-life of a certain radioactive material is 78 hours. An initial amount of the material has a mass of 790 kg.. Write an e
adoni [48]
<span> half life i= 78 hours 
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Dividing by 790 and taking natural log
ln (395/790) = (k*78) 
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Amount(18)
= 790e^(-0.00888*18) 
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hope this helps</span>
4 0
2 years ago
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<img src="https://tex.z-dn.net/?f=%5Csf%20-9%288-2h%29" id="TexFormula1" title="\sf -9(8-2h)" alt="\sf -9(8-2h)" align="absmiddl
coldgirl [10]

Answer:

- 9(8 - 2h)  \\ by \: distributive \: property \\  =  - 9 \times 8 - ( - 9) \times ( - 2h) \\  =    - 72 - 18h

3 0
2 years ago
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Reason: They're opposite meaning they are the same when compared to the side
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