73 minutes is equivalent to approximately 1.22 hours when converted into decimal hours with fractions. However, when expressed as a percentage, 73 minutes is approximately 122% of a full hour. Additionally, in terms of fractions of an hour, the total number of minutes in 73 minutes is 73六十 hundredths of an hour. In scientific notation, 73 minutes can be represented as 7.3×101 minutes, which is approximately 1.21667×100 hours.