Answer:
Step-by-step explanation:
When there's a 'k' before an unit, it means "kilo". For instance, "2 kJ" is read as "two kilojoules". This prefix means 1000, so 2 kJ are equal to 2000 J.
With the above information in mind, we can rewrite the energy values of the problem into J:
So now it's just a matter of organizing the values: