
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 2010 Shanghai World Expo was an unprecedented event in human history, with 246 countries and international organizations participating, and more than 73.08 million domestic and international visitors. 73.08 million can be expressed in scientific notation as ______ million.

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