Question

what could be the possible ones digit of the square root of each of the following numbers 1764 solution for image​

Answer 1

Answer:

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Step-by-step explanation:

(i) 98019801 - Here, the last digit is 11. So, its square root can have 11 or 99 as its unit digit.

(ii)9985699856 - Here, the last digit is 66. So, its square root can have 44 or 66 as its unit digit.

(iii) 998001998001 - Here, the last digit is 11. So, its square root can have 11 or 99 as its unit digit.

(iv) 657666025657666025 - Here, the last digit is 55. So, its square root can have 55 as its unit digit.

Answer 2

Step-by-step explanation:

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