Answer:
The current amount of the Potassium-40 sample is approximately 37.521 grams.
Explanation:
The amount of the sample of the radioactive isotope decays exponentially in time, the amount of mass of the sample as a function of time (
), in grams, is described below:
(1)
Where:
- Initial mass, in grams.
- Time, in years.
- Time constant, in years.
The time constant can be found from half life (
), in years, described in statement:
(2)
If we know that 
, 
and 
, then the current amount of the sample is:
The current amount of the Potassium-40 sample is approximately 37.521 grams.
1.The area should have at least 5 Million square feet of leasable office space.
2.The area should have more jobs than homes.
3.The area must have 600,000 of leasable retail space.
4.The population perceives it as one place.(The area should have it i.e entertainment, recreation, shopping)
5.The area was nothing like a city 30 years
The two worst method of waste
management are disposal to landfill and thermal treatment.
Disposal to landfill adds up
to the pollution in a certain place where the landfill is located. It can also
cause some diseases from the landfill.
<span>Thermal treatment or
incineration is a process that involves combustion of organic substances
converting the waste into ash, heat, and flue gas.</span>
Population of Milan ( Italy ): 5,270,000 ( urban area ), the 2nd city in EU after Paris.
Barcelona ( Spain ) : 4.7 million people.
Hamburg ( Germany ) : 3.5 million people.
Birmingham ( England ) : 1.1 million people.
Answer: The largest European city which is not actually the capital of the country is : A ) Milan.
Answer:
A. Saudi Arabia
Explanation:
a country located in the Middle East.
