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!
The formula for depreciation is:
Value = Starting value x (1 - rate)^time
Using the given values:
Value = 25,000 x (1-0.12)^5
Value = 25,000 x 0.88^5
Value = $13,193.30 (Round the answer as needed)
Step-by-step explanation:
It is possible
One person will get 246 while the other will get 266 = 512
Answer:
Number 7: 40%
Number 8: 75%
Step-by-step explanation: Hope i helped mate
Answer:
128 students in total
Step-by-step explanation:
25/100 = 1/4
1/4 = 32/ x
1 x 32
