
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
(1) PM2.5 refers to particulate matter in the atmosphere with a diameter less than or equal to $0.0000025m$. Express $0.0000025$ in scientific notation.

(2) Given $2x-5y=5$, express $y$ in terms of $x$.

(3) If $x+2y-4=0$, then the value of $2^{2y} \cdot 2^{x-2}$ is.

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