At the end of a fiscal ear 204, the federal debt of County C is $278,560,125,000. What is the closest estimation of this amount? Express your answer in the form of a single digit times an integer power of 10.
2x10^11
2.79x10^11
3x10^-11
3x10^11
1 answer
The closest estimation of the federal debt of County C is 2.79x10^11.
1 answer