Answer: Here's your answer: Therefore, the decimal number 0.0020 written in scientific notation is 2 × 10-3 and it has 2 significant figures. Here are some more examples of decimal to scientific notation 0.00200 in scientific notation
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The rate of a chemical reaction can be raised by increasing the surface area of a solid reactant. This is done by cutting the substance into small pieces, or by grinding it into a powder.
It's metallic atomic solid as it is a kind of metal .