Types. Medicare is a form of primary insurance coverage. When individuals 65 or older with Medicare incur medical expenses, the doctor or hospital bills Medicare first. Medicare pays all the bills up to its maximum coverage limit.
The Roman numeral system works by having separate symbols to represent different numbers but unlike your system there was no symbol for zero.he Roman numeral system works by having separate symbols to represent different numbers but unlike your system there was no symbol for zero.
Roman Numerals Roman numerals were invented as the Romans needed a system to easily price different goods and services. Roman numbers were widely used throughout the Roman Empire in everyday life. Following the fall of the Roman Empire, numerals continued to be used throughout Europe up until the 1600's.