At the end of fiscal year 2004, the federal debt of Country 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

Answer 1

The federal debt of Country C at the end of fiscal year 2004, $278,560,125,000, can be expressed as $2.78560125 × 10^11.