Answer:
c
Step-by-step explanation:
Shortest is Vindale to Wildgrove to Clarksville
18.9 + 13.2 = 32.1 km.
The answer is 51/40=1 and 11/40
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!