
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
Currently, the forest coverage rate in a certain city is $44.6\%$, and in the plain areas, the forest coverage rate is $31\%$. The forest volume reaches $26900000$ cubic meters. Express $26900000$ in scientific notation as $2.69\times 10^{a}$, then the value of $a$ is ______.

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