√7+2 √10 – 1
Compare the numbers and fill in the blank.

answer: i believe its b. if you sound out the sentences that sounds wrong.

entering that problem on the tube might get you an answer

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.