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The density of hydrogen is 0.0000899 . Which of the following would be a reasonable estimate of the density of hydrogen?
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The density of hydrogen is 0.0000899 . Which of the following would be a reasonable estimate of the density of hydrogen?

User Victmo
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2 Answers

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0.0000899 because you just said the density of hydrogen is that
User Stefon
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0.00009 would be a good estimate because 899 rounds to 900. Then you make it the decimal, and you can knock off the end two zeroes
User Nirmi
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