Given Number = 58976 Concept Used- The polynomial of any number ending with 6 will end in 6. ∵ The unit digit in 6n is always 6. (for all integral values of n) Ex- 61=6,62=36,63=216 Calculation- 589762 Since the number ends with 6 and n = 2 is an integral value. ∴ The unit digit in the square of 58976 = 6