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What can be the last digit of a a square of a natural number?
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What can be the last digit of a a square of a natural number?

User Ugoarangino
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1 Answer

2 votes

Answer:

1, 4, 5, 6, & 9 are the only digits that can be the last digit of the square of a natural number.

Explanation:

User Farenorth
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