Answer:
We heart you don't have all the information you just got some common substances and their chemical formulas are listed in the chart? That we don't have the chart to see which of the substances are elements
Explanation:
sorry about that if you can take a picture of it and repost it I am sure I could answer it for you
Answer:
The answer to your question is simultaneous. Hope it helps!
I'm sorry I'm not quit sure
You have to switch the elements based in if they're metals/nonmetals. so nonmetals switch with each other and metals switch with each other.
AB + CD ---> AC + BD
This says four figures. The 4 figures you should use are 4546 with a peek at 7 to see what effect it will have on the 4 main figures.
45.467 rounds to 45.47
You round the 4th figure up one. You are not concerned about the decimal places in this question.
