Plz tell me the answer..
Answers
1) one thousand seven hundred sixfour
Question :-
Find the number of digits in the square roots of the following perfect square numbers without actual calculation :
a) 1,764⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀b) 2,401
Answer :-
a) 1,764
=> Here,
⠀⠀⠀The number of digits in the given perfect square number i.e., 1,764 is four.
Therefore,
⠀⠀⠀The number of digits in the square root of the perfect square will be two.
b) 2,401
=> Here,
⠀⠀⠀The number of digits in the given perfect square number i.e., 2,401 , is four.
Therefore,
⠀⠀⠀The number of digits in the square root of the perfect square will be two.
How To Find :-
This rule to find the number of digits in the square root of a perfect square number goes like this :
i) If there are 1 or 2 number of digits in a perfect square number then there will be 1 number of digit in the square root of the number.
ii) If there are 3 or 4 number of digits in a perfect square number then there will be 2 number of digits in the square root of the number.
iii) If there are 5 or 6 number of digits in a perfect square number then there will be 3 number of digits in the square root of the number.
*Same goes in the case of other numbers.