Viva inc. produces and sells coffee beans. this month it earned $500 by selling coffee beans to morning cuppa inc. the $500 received by viva is its

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.