The density of the atmosphere at sea leavel is 1.29kg//m^(3). Assume that it does not change with altitude. Then how high would the atmosphere extend?

The density of the atmosphere at sea leavel is 1.29kg//m^(3). Assume t

1.	The density of the atmosphere at sea leavel is 1.29kg//m^(3). Assume that it does not change with altitude. Then how high would the atmosphere extend?
Answer» `3km` `7KM` `8km` `9KM` ANSWER :C