
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 a measurement, a scientific constant $D$ is found to be $9.77842$ with an accuracy of $\pm 0.00456$. To state a value with complete precision where every digit significant changes the last digit, what would be the most accurate value the researcher can publish for $D$?
**A)** $9.77$
**B)** $9.78$
**C)** $9.79$
**D)** $9.8$

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