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Advocard [28]
3 years ago
14

Pls help me on this it’s past due ty

Chemistry
1 answer:
mihalych1998 [28]3 years ago
6 0

Answer:

sorry

Explanation:

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How is the number 3.91 x 10-4 expressed in regular numbers?
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To convert a number without the use of the expression 10^-4 you would have to treat it like an integer line for instance on an integer line the negative is to the left and the positive number is to the right so 3.91*10^-4 means that the decimal would have to move 4 places to the left so the answer would be .000391 instead of 3.91*10^-4.


I hope this helps you :)

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What is the first step in the scientific process?
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\quad \huge \quad \quad \boxed{ \tt \:Answer }

\qquad \texttt  {Observe a natural phenomenon}

____________________________________

\large \tt Explanation  \: :

At first scientists/researchers observe a natural phenomenon. after enough observation, they make predictions why that phenomenon is happening and the reasons that lead to that particular phenomenon. then they generate scientific hypothesis to explain that phenomenon and after getting enough data they develop tests and perform experiments. And check the results they get and at last based on the results they conclude what actually is happening.

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During which of the fallowing chemical changes does a precipitate form??
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3. Please fill in the following chart:
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What do you mean by fill?

What do you mean?

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