Question

What could be the possible one's digits of the square root of each of the following 998001​

Answer 1

Answer:

1 or 9 is the answer

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Answer 2

Answer:

(iii) 998001 - Here, the last digit is 1. So, its square root can have 1 or 9 as its unit digit. (iv) 657666025 - Here, the last digit is 5. So, its square root can have 5 as its unit digit.

Step-by-step explanation:

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