It depends which programs you take and which colleges you go to, it's something between 4-6 years.
You don't have to go to college to become a poet.
About four years.
You would have to be in college for about 6 years to become an astronomer.
You do not have to go to college.
You would have attend about 6 years of college before you can become a Astronomer.
about 10 years of college
it takes 4 years to become a pediatriction.
5years
3
its 4 years to go to college to become a detective.
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Potatoe.