Find the upper bound for the following lengths: a) 14.2 cm correct to 1 decimal place.
b) 43.18 cm correct to 2 decimal places.

where is the graph, sweetheart?

step-by-step explanation:

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.