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Mathematics, 26.03.2020 19:24 sandram74691
In 2015, there were about 22 million teenagers (aged 13-16) in the United States. They each sent an average of 900 text messages did all of the teenagers in the United States send each month? Express your answer using scientific notation.
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In 2015, there were about 22 million teenagers (aged 13-16) in the United States. They each sent an...
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