
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
China conducts a national census every ten years. During the fifth census (which began on November 1, 2000), the population was approximately 1.3 billion and it was found that the average annual growth rate of the population was about 1%. If the growth continues at this rate, the approximate population size at the beginning of the seventh census (which began on November 1, 2020) is calculated as $13(1+1\%)^{20}$.

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