Don's watching film from his high school hockey team last year. The team won 16 games, lost 4 games, and tied 2 games. Based on this data, what is the estimated probability that
Don will randomly select film from a game the team won?

just sum

10 + 10 = 20

jml angle lkj & angle mj = lm

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.