two
Twenty decades = 200 years
Twenty years is two decades.
Twenty 200 / 10 = 20
Two decades before 1972 is 1952. A decade is ten years, so two decades would be twenty years. Subtracting twenty years from 1972 gives you 1952.
Twenty decades is the same as two centuries because they both represent 200 years
Two decades is twenty years. You can also call it a score.
Well, honey, if you're asking how many decades are in 200 years, the answer is 20 decades. A decade is 10 years, so you just gotta do some simple math and divide 200 by 10. Easy peasy lemon squeezy!
There are 3.5 decades in 35 years
There are 5 decades in 50 years.
12.2 years = 1.22 decades
There are 20 years in two decades.
230 years = 23 decades