
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
The bacteria in a culture grow to five times their initial number every 30 seconds. After four minutes, there are 1,953,125 bacteria in the culture. Determine how many bacteria were present at the start.

Present the answer in LaTex format: \boxed{Your answer}
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