Question

The difference between the greatest and smallest
perfect square number whose square root is a three
digit number, is
(1) 998001
(2) 978001
(3) 988001
(4) 10001

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Answer 1

Answer:

3)988001

Step-by-step explanation:

The greatest three digit number square is 999×999=998001.

The smallest three digit number square is 100×100=10000.

the difference between the square of greatest and smallest 3 digit number=998001-10000=988001.

Answer 2

Answer:

(3) 988001

Step-by-step explanation:

According to this question

The greatest three digit number square is 999

The smallest three digit number square is 100

The greatest three digit number square is 999^{2} = 998001

The smallest three digit number square is 100^{2} = 10000

The difference between the square of greatest and smallest 3 digit number = 998001-10000 = 988001

Hence, Difference between the square of greatest and smallest 3 digit number = 998001-10000 = 988001