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Six: 0, 1, 4, 5, 6 and 9

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Q: How many different digits can be the units digit of an integer perfect square?
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Related questions

The square root of a perfect square is an integer?

Yes it is.Since the square of an integer is called a perfect square, then the square root of a perfect square must be an integer.


What is a perfect square?

A perfect square is a square of an integer (a whole number).


The square root of a perfect square and the cube root of a perfect cube is?

an integer


What is the smallest integer where the integer before it is a perfect square and the integer after it is a perfect cube?

The integer is 26


A perfect square is a number that has an integer square root?

Yes, a perfect square is a number that has an integer square root.


Given the prime factorization of an integer how can you determine if our integer is a perfect square?

Given the prime factorization of an integer how can you determine if our integer is a perfect square?


Is this integer 90 a perfect square?

90 is a not perfect square.


What is the definition of a non perfect square?

I have never before heard of a non-perfect square but I suppose it would be any non-zero number that is not the square of an integer. People sometimes say "perfect square" to mean an integer that is a square of an integer - I think the "perfect" is redundant but if you do not think "square" is clear by itself, say "integer square."


What has an integer as its square roots?

a perfect square


Has an integer as its square root?

A perfect square.


What is a square of an integer called?

A perfect square.


Why are perfect square and cube perfect?

Because they are square/cube of an integer.