To write $679,000,000,000$ in scientific notation:

1. Identify the significant digits: $679$.
2. Count the number of places to move the decimal point to place it after the first digit: $11$ places.
3. Combine the significant digits and the power of ten: $6.79 \times 10^{11}$.

Correct Answer: $6.79 \times 10^{11}$

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Would you like further clarification or have other questions? Here are some related questions to consider:

1. What is the general rule for converting a number into scientific notation?
2. How do you handle very small numbers in scientific notation?
3. What is the importance of significant figures in scientific notation?
4. Can you convert $0.000679$ into scientific notation?
5. How is scientific notation useful in real-world applications?

Tip: Always ensure the coefficient in scientific notation is between 1 and 10.