Answer:
545.2
Explanation:
To read a beam balance, you need to add together the numbers that each balance reads.
The first beam reads 500.
The second beam reads 40.
The third beam reads 5.2.
500 + 40 + 5.2 = 545.2
The total mass of the rock sample is 545.2.
Answer:
Is there a diagram that you can post
That would result in an exothermic reaction.
Hope this helps :)
The answers to your question is B hope this helps.
