
                ### Instruction: help me answer this question Question: The number of bacteria in a certain culture doubles every hour. If there were 30 bacteria present in the culture originally, how many bacteria will be present at the end of 2nd hour, 4th hour, and nth hour?, think step by step
                ### Assistant: Explanation: 
Given the situation, the sequence forms a G.P. To solve for the number of bacteria in each given case, we can use the properties of a G.P. , The answer is [{'part': 'At the end of the 2nd hour: 120 bacteria'}, {'part': 'At the end of the 4th hour: 480 bacteria'}, {'part': 'At the end of the nth hour: 30 * 2^n bacteria'}]
