According to a certain newspaper, in a recent recession, outstanding consumer credit in a certain country fell to $5,760,000,000,000the seventh straight monthly decline. Most of the drop came as a result of consumers paying down revolving debt such as credit cards. (a) Write this number in word form. five hundred seventy-six trillion dollars five hundred seventy-six billion dollars fifty-seven trillion, six hundred billion dollars five trillion, seven hundred sixty billion dollars five billion, seven hundred sixty million dollars (b) Round this number to the nearest hundred billion