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What are the possible one's digits of the square root of 9?
Mathematics
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Step 1: Solve Question 1.
To find the possible one's digits of the square root, we look at the one's digit of the given number.
- If a number ends in 1, its square root ends in 1 or 9.
- If a number ends in 4, its square root ends in 2 or 8.
- If a number ends in 5, its square root ends in 5.
- If a number ends in 6, its square root ends in 4 or 6.
- If a number ends in 9, its square root ends in 3 or 7.
- If a number ends in 0, its square root ends in 0.
- (i) 9
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