Question

what will be the units digit of the square of the following numbers? (i)39 (ii)297 (iii)5125 (iv)7286 (v)8742 with your own solutions please i want very fast...​

Answer 1

Answer:

(i) 1

(ii) 9

(iii) 5

(iv) 6

(v) 4

*Multiply the last digit two times.

Answer 2

Answer:

(i) 1

(ii) 9

(iii) 5

(iv) 6

(v) 4

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Step-by-step explanation:

(i) Units digit of 39 is 9.

9² = 81. So, 1.

(ii) Units digit of 297 is 7

7² = 49. So, 9.

(iii) Units digit of 5125 is 5.

5² is 25. So, 5.

(iv) Units digit of 7286 is 6.

6² is 36. So, 6.

(v) Units digit of 8742 is 2.

2² = 4. So, 4.