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Author Question: In complex societies, families and other social groups are classified into: a. loosely defined ... (Read 24 times) |
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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The horizontal fraction bar was introduced by the Arabs.
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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.