
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
"In the fairyland Zhangjiajie, the peaks enchant the whole world." According to statistics, during the "May Day" holiday in 2023, the major scenic spots in Zhangjiajie received approximately 864,000 visitors. Express the number 864,000 in scientific notation as ______.

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