200
There are twenty-four hours in a ___.
A ______ is a period of ten years.
There are sixty minutes in an ____.
A span of one thousand years is known as a __________.
There are sixty seconds in a ______.
A _____ is approximately thirty days.
A ______ is one sixtieth of a minute.
There are seven days in a ____.
There are twelve months in a ____.