Complete the following math problem and round your answer to the correct number of significant figures. Explain why your answer
has that number of decimal places or significant figures.
12.65 + 11.2
1 answer:
Answer:
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It is an element. Aluminun foil is aluminum prepared in thin leaves.
1)Delta H=(Delta H of reactants)-(Delta H of products)
2)And we know CO have 3 bond CO and CO2 have 2 bond that each of them are 2 bond, please see the picture!
so lets answer it:

Answer:
Matter
Explanation:
All matter is made up of substances called elements
Weighs 0.001836 gram per cubic centimeter or 1.836 kilogram per cubic meter
Try to see if this helps
I think it is 11% I read it on a article on msn.