The circle graph shows the results of a survey of registered voters the day of an election Which Party's Candidate Will Get Your
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Answer : The substances half life in days is, 5.6 days.
Step-by-step explanation :
Half life : It is defined as the amount of time taken by a radioactive material to decay to half of its original value.
All radioactive decays follow first order kinetics.
The relation between the half-life and rate constant is:
where,
k = rate constant = 0.1235 per days
= half-life
Now put all the given values in the above formula, we get:
Thus, the substances half life in days is, 5.6 days.
Answer:
the answer is A.
Step-by-step explanation:
(×
)÷
2×9= 18
6+6= 12
÷
=