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.
A: Roman numerals are still used in modern times on some clocks and in books to note chapters and page numbers. While many clocks have converted to digital interfaces with more common Arabic numerals, high-quality watches and older timepieces, such as wall clocks in courthouses and other historic buildings, still use Roman numerals.