171
Pasted in problem, which is simple addition. 229 229 229
Beta -apex- :D
beta particle
6
HYDROGEN
The missing number in the nuclear reaction is 191. The complete equation is 175 78 Pt + 4 2 He -> 191 80 Hg.
91
Pasted in problem, which is simple addition. 229 229 229
0.88
Beta -apex- :D
beta particle
-6
6.5
It is: -5+1+8+5 = 9
6
The missing number is 49. This is why: 1 plus 2 equals 3, then 3 squared is 9. 2 plus 3 equals 5, then 5 squared is 25. Therefore, the missing number must be 49 to make the number sentence (3 plus 4 equals 7, then 7 squared is 49) true.
We're missing a crucial number there.