10. Find the square root of each of the following palindromic numbers. (i) 121 (ii) 12321 (iii) 1234321
Answers
Answered by
1
Answer:
(i) 11
(ii) 111
(iii) 1111
Answered by
2
Answer:
Prime factorization of 121 = 11 × 11
Prime factors of 11 in pairs: (11 × 11)
Square root of 121: √(11 × 11) = √(112)
Therefore, √121 = 11
2. Yes, the number 12,321 is a perfect square.
3.Split the number up and add each digit together:
1 + 2 + 3 + 4 + 3 + 2 + 1 = 16
If the answer is more than one digit, you would add each digit of the answer together again:
1 + 6 = 7
What is the digital root of number 1,234,321?
Answer: 7Yes, the number 1,234,321 is a perfect square.
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