If \(m\) and \(n\) are positive integers, what is the remainder when \(m^2 - n^2\) is divided by \(10?\)

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If \(m\) and \(n\) are positive integers, what is the remainder when \(m^2 - n^2\) is divided by \(10?\)

1) The remainder when m is divided by \(10\) is \(3\)
2) The remainder when n is divided by \(10\) is \(3\)

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