What is the sign of the quotient of two numbers with opposite signs?

negative

Step-by-step explanation:

if they have the same signs then they are positive if they have different signs then they will be negative

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.