Answer:
I'm sorry I don't have an answer but for all future math work you should download photomath on your phone it's rly good
Order of operations is one way
When u say if u can add or subtract I'm not sure what problem ur referring too. But, maybe this might help.
B. <span>70 percent hydrogen, 28 percent helium, 2 percent other elements</span>
Answer:
6/25
Step-by-step explanation:
Use your calculator