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.
When a lower-value number precedes a higher-value number, the lower-value number is subtracted from the higher-value number. The Roman numeral for 47 is written by breaking the number down into 40 + 7. The number 40 is written as XL, which is equal to 50 - 10, since four 10s in succession is not allowed. The number seven is written as VII, which is 5 + 2.