Question 2 of 2 (6 points) Smartphones: A poll agency reports that 44% of teenagers aged 12-17 own smartphones. A random sample of 154 teenagers
is drawn. Round your answers to at least four decimal places as needed.

6 adults and 9 children went.

a + c = 15

12a + 9c = 153

12(6) + 9(9) = 153

72 + 81 = 153

42.4 6th grade students prefer hip hop

step-by-step explanation:

40 percent of 106 = 42.4

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.