To find out how much tape is left on the roll after Elise used some, you can simply subtract the amount of tape she used from the total amount that was on the roll.
Initially, there were 8.1 yards of tape, and Elise used 7.3 yards.
So, the calculation is:
8.1 yards - 7.3 yards = 0.8 yards
Therefore, there is 0.8 yards of tape left on the roll.