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The population of the state of Texas in 2001 was about 21,325,000 people. What is the population expressed in scientific notation?

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@jovhnny : Your question is not a research question; that makes it inappropriate for this forum. It also looks as if you used your name as the subject of the posting. Try posting this to math.stackexchange.com – Michael Hardy Dec 30 2011 at 22:22
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Also, you should really do your homework yourself. – Angelo Dec 31 2011 at 6:55

closed as spam by Will Jagy, Deane Yang, mathphysicist, darij grinberg, Andreas Blass Dec 30 2011 at 21:49

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