subject
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.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
Valentino starts with a population of 1,500 amoebas that increases 35% in size every hour for a number of hours, h. the expression 1,500(1+0.35)h finds the number of amoebas after h hours. which statement about this expression is true? a. it is the initial population raised to the growth factor after h hours. b. it is the sum of the initial population and the percent increase. c. it is the sum of the initial population and the growth factor after h hours. d. it is the product of the initial population and the growth factor after h hours.
Answers: 2
question
Mathematics, 21.06.2019 13:00
For [tex]f(x) = 4x+1[/tex] and [tex]g(x) = x^{2} -5[/tex] find [tex](f[/tex] ° [tex]g)[/tex][tex](4)[/tex]
Answers: 2
question
Mathematics, 21.06.2019 18:30
An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3
Answers: 2
question
Mathematics, 21.06.2019 20:00
Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.
Answers: 1
You know the right answer?
In 2015, there were about 22 million teenagers (aged 13-16) in the United States. They each sent an...
Questions
question
Mathematics, 17.01.2020 07:31
question
Mathematics, 17.01.2020 07:31
Questions on the website: 13722367