Question

The square of a natural number ending with digits 3 or 7 always ends with 4.



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Answer 1

Answer:

False, it ends with 9

Step-by-step explanation:

Square of a natural number ending wtih digit 3 or 7 always end with "9"

You can simply see that unit digit of a square of a natural number is basically unit digit of square of unit digit of the number.

For example:

17² unit digit = 7² unit digit = 49 unit digit = 9

13² unit digit = 3² unit digit = 9 unit digit = 9

Hope, you got it:-))

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