Question

Find the square root of the following decimal numbers: 1. 1.21 2. 1056.25 3. 10020.01

Answer 1

Answer:

oh no!

Step-by-step explanation:

1. √1.21=1.1
2. √1056.25=32.5
3. √10020.01=100.1

Answer 2

Given :   (1)1056.25 (2)10020.01  3)1.21

To Find : Square root

Solution:

               32.5

  3         1056.25

              9

           ____

             156

 62        124

              ____

                3225

645          3225

               ______

                       0

√ 1056.25  = 32.5

Other method :

1056.25 = 105625 / 100

105625  = 5 * 5 * 5 * 5 * 13 * 13  = 5² * 5²  * 13²

100 = 10²

√1056.25   = 5 * 5 * 13 /10

= 65/2

= 32.5

Similarly  √10020.01  =  100.1

√1.21 = 1.1    

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