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Although any period of 10 years is a decade, a convenient and frequently referenced interval is based on the tens digit of a calendar year, as in using "1960s" to represent the decade from 1960 to 1969.
Because the common calendar starts with year 1, its firstfull decade is the years 1 to 10, the second decade from 11 to 20, and so on. So while the "2000s" comprises the years 2000 to 2009, the "201st decade" spans 2001 to 2010. For this reason, most people would consider the fourth year of the decade to be the one ending in 4.
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What fraction of a decade is one year?
1 decade is 10 years, thus: 1 year =1/10 decade = 0.1 decade
A year is what fraction of a decade?
A decade is equal to 10 years. Therefore, one year is one tenth of a decade.
1 year is what fraction of a decade?
Since a decade is 10 years, one year is 1/10 of a decade.
What year was it a decade ago?
2001
What is one fact about decade?
it is one year
