There are ten decades in a millennium. A decade is a period of ten years, and a millennium is a period of one thousand years. Therefore, a millennium consists of ten decades.
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There are 200 decades in two millennium which is 2,000 years
One hundred of them.
10 Millennium = 1,000 Decade = 10 10 decades = 100 So 1,000 / 100 = 10
A decade is 10 years, and a millenium is 1000 years, therefore the answer is 100 decades = 1 millennium.
100 of them because a decade is 10 years and a millennium is a 1000 years