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In 2015, there were about 22 million teenagers (aged 13–17) 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.

Respuesta :

iColixo

Answer: 24000

Step-by-step explanation:

Divide the 22 million by the 900 texts a month to get 24,444 then round to 24,000

adioabiola

The number of text messages teenagers in the United States send each month is 1.98 × 10^10

How to write in scientific notation

Given:

  • Total teenagers = 22 million

  • Number of text messages per month = 900

Total messages sent by teenagers per month = 22 million × 900

= 19,800,000,000

  • Decimal point should be after the first significant value from the left.

  • Count the number of digits remaining after the decimal point

= 1.98 × 10^10

Learn more about scientific notation

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