Ten decades is one century.
i hate this question
53 decades Yup. A decade is ten years. A century is 100 years. 5 centuries are 500 years so 500 divided by 10 is 50. Add the three other decades and you get 53.
seven centuries 78 decades
About 793 years
70 decades
70 decades are in 7 centuries. It's just 10 decades per century times 7 centuries (700 years).
There are 10 decades in a century. Therefore, 3.5 centuries is equal to 3.5 x 10 = 35 decades.
There are ten decades in one century. 1 decade = 10 years. 1 century = 100 years. So 1 century = 10 decades.
There are 20 decades in two centuries There is 200 years in two centuries and 10 years in a decade. 10 years x 20 decades = 200 years or two centuries
20 decades are in 2 centurarys
1 century = 100 years 1 decade = 10 years Therefore, 6 centuries = 600 years and 600 years / 10 years per decade = 60 decades
A decade is 10 years. Get your calculator out and see if it isn't 80 decades.