Question

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

Answer 1

The amount of text messages sent by teenagers in the United States in 2015 is about 1.98 x $10^{10}$

What is scientific notation?

Scientific notation is used in expressing large numbers in smaller numbers. It is used to transform large numbers into smaller number. In order to write a number in scientific notation, the number is written as a decimal number, between 1 and 10 and multiplied by a power of 10.

2.2 x 10^7 + 9 x 10^2 = 1.98 x 10^10

To learn more about scientific notation, please check: https://brainly.com/question/25334755