A bacteria colony doubles in size every hour. At 1:00 pm there are 10 bacteria in a petri dish. At 9:00 pm on the same day, what is the bacteria population?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
A bacteria colony doubles in size every hour. At 1:00 pm there are 10 bacteria in a petri dish. At 9:00 pm on the same day, what is the bacteria population?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
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A bacteria colony doubles in size every hour. At 1:00 pm there are 10 bacteria in a petri dish. At 9:00 pm on the same day, what is the bacteria population?
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