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Author Question: Write four hundred micrograms using the correct notation: _______. Fill in the blank(s) with ... (Read 143 times) |
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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The horizontal fraction bar was introduced by the Arabs.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.