To calculate (4/5)^2, we simply raise the fraction 4/5 to the power of 2.
(4/5)^2 = (4/5) * (4/5)
To multiply fractions, we multiply the numerators together and the denominators together:
(4/5) * (4/5) = (4 * 4) / (5 * 5) = 16/25
Therefore, (4/5)^2 is equal to 16/25.