Question

What percentage of the energy budget do electrons occupy? Take the energy budget occupied by matter to be 4.4%.

(a) 3.9%
(b) 0.1%
(c) 0.03%
(d) 0.002%

Answer 1

Cheating on the final exam, I see. :P
Dont. Try to figure the answer out yourself!

Answer 2

0.002

Answer 3

0.1