I got the answer to be 42.
0.3x0.8=0.24 so 24% chance he wont have to stop i think
Answer:
The correct option is C: the isotope of iodine contains 81 neutrons.
Step-by-step explanation:
The mass (A) of the iodine isotope is given by:

Where:
Z: is the number of protons
N: is the number of neutrons
For iodine Z= 53, so if A = 134 the number of neutrons is:

Therefore, the correct option is C. The isotope of iodine contains 81 neutrons.
I hope it helps you!
Answers: 1.) 37 & 2.) 1 2/3
Answer:
4, 2, 9, 3. They all work out
Step-by-step explanation:
If you need more help just lemme know! :))