In 2019, there were about 21 million teenagers (aged 13-17) in the United States. They each sent an average of 3,300 text message 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.

All of the teenagers in the United States sent about 69,300,000,000 text messages each month.

Step-by-step explanation:

Given that in 2019, there were about 21 million teenagers in the United States, and they each sent an average of 3,300 text messages per month, to determine about how many text messages did all of the teenagers in the United States send each month the following calculation should be done:

21,000,000 x 3,300 = X

69,300,000,000 = X

Therefore, all of the teenagers in the United States sent about 69,300,000,000 text messages each month.

146%

step-by-step explanation:

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