Answer:
x=676
Explanation:
x = 676
13*4 = 52
8*78 = 624
624 + 52 = 676
No, and yes. As there is a finite amount of matter in the
universe, only so much can be converted to make energy. There will
be a limit, though it is a long, long way from where we are
1 = D
2 = C
3 = A
4 = F
5 = G
6 = B
7 = E
C
