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Question 1

Problem 1
The population of the Philippines in 2000 was 76 504 077 and continuously growing at the rate of 2.36% per year.
a.) Calculate how many years the population will take to double.
b.) Calculate when the population will reach 80 000 000.

 

 

Answer 1

 

 

Question 2

Problem 2
Iodine-131 has a half life of 8 days. Given a sample of 30g, how much will remain in the following time:
a.) 2 weeks
b.) 278 days
c.) 1 year
d.) 24 weeks

 

Answer 2

 

 

 

 

 

 

 

 
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