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Uranium-235 and uranium-238 are considered isotopes of one another
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Jun 1, 2017
Chemistry
high-school
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What is the unit price of 50 tickets for $37.50
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Aug 8, 2016
Mathematics
middle-school
6
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177k
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What is the answer for 555,000 rounded to the nearest ten thousand
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Oct 10, 2015
Mathematics
high-school
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