Final answer:
Roman Schurenko's long jump was 0.87 meters longer than William DeHart Hubbard's.
Step-by-step explanation:
Given that, In 1994, William DeHart Hubbard won a gold medal with a long jump of 7.44 meters. In 2000, Roman Schurenko won the bronze medal with a jump of 8.31 meters.
To find out how much longer Roman Schurenko's long jump was compared to the William DeHart Hubbard's, we subtract Hubbard's jump distance from Schurenko's jump distance:
Difference=Schurenko’s jump−Hubbard’s jump
8.31 meters (Schurenko's jump) - 7.44 meters (Hubbard's jump) = 0.87 meters
Therefore, Roman Schurenko's jump was 0.87 meters longer than William DeHart Hubbard's.