Apoll found that 63% of americans get less than 8 hours of sleep at night. according to this poll, americans typically sleep less than what fraction of the day?

1/3

Step-by-step explanation:

There are 24 hours in a day, so divide 24 by 8.

24÷8=3

8 is 1/3 of the day.

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.