判断下列句中划线部分数字的书写形式是否正确,若正确请填写T,若错误请填写正确写法。 1. This distance is about five trillion eight hundred seventy-eight billion miles. 2. A light-year is a unit of length equal to the distance that light travels in 1 year. 3. Many children aged six to 18 contributed aid to victims. 4. Three billion dollars in aid was provided by world countries. 5. 56 percent of the fishing fleet was destroyed in coastal areas. 6. The tsunami created waves up to thirty meters (100 feet). 7. The earthquake that caused it registered nine-point-one on the Richter scale. 8. Initial estimates of the death toll neared 300,000 people. 9. It struck at seven-fifty-three a.m. local time on December 26. 10. The two-thousand-and-four tsunami was the deadliest in history.