Write the number below in scientific notation, incorporating what you know about significant digits. 67,890,000

The answer would be: 67.89 x 10^6

The rules of significant numbers used:

- any non-zero digit is significant
- zeroes that are in the right side of the non-zero whole number would not be significant

Thus, only the significant numbers left in the equation:

67.89 x 10^6

I'm gonna have to say about 13 percent