In 2015, there were about 22 million teenagers in the
United States.
They each sent an averag...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 20.05.2021 22:50, shadowentity43
In 2015, there were about 22 million teenagers in the
United States.
They each sent an average of 900 text messages per
month.
About how many text messages did all of the teenagers in
the United States send each month?
Express your answer using scientific notation.
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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