What chould be the possible 'ones' digit of the square root of each of the following numbers
(1) 9801
(2) 99856
(3) 998001
(4) 657666025
Answers
Answered by
7
the correct answer is 3)998001 plz Mark me as brainlist plz plz plz I hope this is helpful
Account11:
Its not correct answer in my book in answer sheet the answer is 4 or 6
no this is the correct answer
But in my book the answer is 4 or 6
no this is the correct answer
Its wrong
Answered by
9
(i) If the number ends with 1, then the one’s digit of the square root of that number may be 1 or 9. Therefore, one’s digit of the square root of 9801 is either 1 or 9.
(ii) If the number ends with 6, then the one’s digit of the square root of that number may be 4 or 6. Therefore, one’s digit of the square root of 99856 is either 4 or 6.
(iii) If the number ends with 1, then the one’s digit of the square root of that number may be 1 or 9. Therefore, one’s digit of the square root of 998001 is either 1 or 9.
(iv) If the number ends with 5, then the one’s digit of the square root of that number will be 5. Therefore, the one’s digit of the square root of 657666025 is 5.
(ii) If the number ends with 6, then the one’s digit of the square root of that number may be 4 or 6. Therefore, one’s digit of the square root of 99856 is either 4 or 6.
(iii) If the number ends with 1, then the one’s digit of the square root of that number may be 1 or 9. Therefore, one’s digit of the square root of 998001 is either 1 or 9.
(iv) If the number ends with 5, then the one’s digit of the square root of that number will be 5. Therefore, the one’s digit of the square root of 657666025 is 5.
How we can find the answer
i show the way rest is urs
Can you tell in detail
Please show the working of this question
its all written
Similar questions