Can someone please help 7-10 with some work shown a bit , pleaseeeeeee

Answer:
7.] 597.11 Calories
8] 50208 joules
9] 2.05016 kilojoules
10] 0.0142256 kilojoules
Explanation:
just google how to do it. you can find some good examples.
hope this helps a bit!
brainliest?
also, im in 7th, im in high school algebra already. (im in advanced stuff)
ty!