Question

all square numbers end with the digits _at units place
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Answer 1

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Answer 2

Answer:

The unit digit of a perfect square can be only 0, 1, 4, 5, 6 or 9. The square of a number having: 1 or 9 at the units place ends in 1. 2 or 8 at the units place ends in 4. 3 or 7 at the units place ends in 9.

Step-by-step explanation:

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