Answer:
a) 1.6
f)7.51
b)3.9
g)9.2
c)3.1
h)41.9
d)1.959
i)0.29
e)5.2
j)1.112
Explanation:
When you are multiplying or dividing the numbers you take the least amount of significant figures and that's how many significant figures your answer will be. Instead of being a super long answer. Hope this helps. Also, sorry it took me a hot minute :)
Answer:
Disagree
Agree
Agree
Disagree
Explanation:
A chemical change is one in which a new kind of substance is formed. It is always accompanied by energy changes.
- It is wrong to assert that all chemical changes are dangerous. In our body system, chemical changes are constantly happening.
- Chemical changes shows the law of conservation of mass in that the amount of reactants and products are always the same.
- Chemical reactions occur when two substances are chemically combined together.
- Not all dissolution reaction are chemical changes. For example, when sugar dissolves in water, it is not a chemical change.
16th-century corporurnicus was the first to make a heliocentric with earth circling Sun, very fast, and stars moving around, very slow.
The way in which scientists and researchers use a systematic approach to answer questions about the world around us
