Answer: 0.5 units.
Step-by-step explanation:
To find the distance between two points
is given by distance formula :-

Now, the distance between the points (2.7, 5.1) and (3, 4.7) is given by :-

Hence, the distance between the points (2.7, 5.1) and (3, 4.7) is 0.5 units.