sqrt(7921 = 89 per calculator Mechanically we note that 7921 is near 8100. NB sqrt(81) = 9 so it follows that sqrt(8100) = 90 Since 7921 is slightly less than 8100 then try a slightly lower number than 90. So try 89 89x 89 = 89^2 - 7921 So it foilows that the sqrt( 7921) = 89 The Answer!!!!!
Press the square root button on your calculator.
The square root of 289 is ± 17.
The square root of 1225 is 35.
The square root of 8649 is 93.
The square root of 7921 is 89.
The square root of 7921 is 89.
sqrt(7921 = 89 per calculator Mechanically we note that 7921 is near 8100. NB sqrt(81) = 9 so it follows that sqrt(8100) = 90 Since 7921 is slightly less than 8100 then try a slightly lower number than 90. So try 89 89x 89 = 89^2 - 7921 So it foilows that the sqrt( 7921) = 89 The Answer!!!!!
find the square root of the numerator and the square root of the denominator
Press the square root button on your calculator.
Find the square root of each of its components, and muliply them together. For example, 36x8 the square root of 36 is 6 the square root of x8 is x4 so the square root of 36x8 is 6x4
Do the addition, get the answer and then find its square root!
The square root of 289 is ± 17.
The square root of 1225 is 35.
The square root of 8649 is 93.
square root(105) = 10.2469508
The square root of a/b is equal to the square root of a divided by the square root of b. I hope this helps you.