Find the square roots of the following decimal numbers.

68.89

Given, a decimal number as 68.89.

We need to find out the square root using division method

Step 1: Pair the given digit number, starting from units place to left as 68 and 89

Step 2: Find the largest number whose square is less than or equal to the first pair or single digit from left.

Step 3: Subtract the resulted value 64 from the given number

Step 4 : Bring down the second pair .89 to the right of the remainder

Step 5: double the quotient 8 + 8 = 16

Step 6: Guess the possible value such that the product is equal to or less than new dividend

Hence, the square root of 68.89 is 8.3