Answer:
E = 2.6411 J
Step-by-step explanation:
we know that elastic potential energy could be calculated by:

where k is the constant of the spring and x is the deform of the spring.
Now x can be calculated as:
x = 3.52m-2.54m
x = 0.98 m
Finally, replacing the data, we get:

E = 2.6411 J