Mathematics
Mathematics, 16.10.2020 22:01, shadiamondw8692

The width of a human hair is about 1x10 to the -4 power meter wide. The width of a mechanical pencil lead is about 7x10 to the -4 power meter wide. About how many pieces of hair would it take to match the width of a piece of mechanical pencil lead?

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The width of a human hair is about 1x10 to the -4 power meter wide. The width of a mechanical pencil...

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