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The diameter of the average cell in the human body is 1 x 10-5 meters. The diameter of a grain of sand is about 2 x 10-4 meters. The diameter of a human hair is about 0.000025 meters. What is the diameter of a human hair written in scientific notation?

User Bunty
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1 Answer

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1x-10-4 divided by 25
User Mission
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