ANSWER
{1, 4, 9, 16, 25, 36, 49, 64}
EXPLANATION
The perfect square integers between 1 and 80 inclusive are obtained by squaring the natural numbers from 1 to 8
The square of the next number does not fall within the given range.
Therefore "The perfect square integers between 1 and 80 inclusive" are
{1, 4, 9, 16, 25, 36, 49, 64}