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OpenStudy (anonymous):
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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OpenStudy (zpupster):
first round to 899 to 9 then count 5 decimal places left then put in scientific notation 9.0 x 10^-5
OpenStudy (anonymous):
thank you that helped me very much!
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