Answer:
102 an hour
Step-by-step explanation:
all you do is add all of them together
Given that the half life of 3H is 12.3 years.
The amount of substance left of a radioactive substance with half life of

after t years is given by

Therefore, the number of years it will take for 18% of the original tritinum to remain is given by

Therefore, the number of <span>years that the time could be read at night is 30.4 years.</span>
Answer:
355
Step-by-step explanation:
It is 3 how many different outcomes are they there are three outcomes road once