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Tamiku [17]
3 years ago
11

Democritus contributed to our understanding of the atom in which of the following ways?

Chemistry
2 answers:
Marianna [84]3 years ago
7 0
I believe the answer is 3 - He hypothesized that all substances can be broken down into a smallest part called the atom. 
Novosadov [1.4K]3 years ago
5 0

Answer:

He hypothesized that all substances can be broken down into a smallest part called the atom.

Explanation:

done the topic

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Read 2 more answers
Write 0.00000009345 in Engineering Notation with 3 significant figures
melisa1 [442]

Answer:

93.43\times 10^{-9}

Explanation:

Scientific notation is the way of writing numbers which are either large or small. The number is written in the scientific notation when the number is between 1 and 10 and then multiplied by the power of 10. Engineering notation is the same version of the scientific notation but the number can be between 1 and 1000 and in this exponent of the ten is divisible by three.

For example, 1000^2 is to be written as 10^6 in engineering notation.

The given number:

0.00000009345 can be written as 93.425\times 10^{-9}

Answer upto 4 significant digits = 93.43\times 10^{-9}

6 0
3 years ago
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