4 centuries = 400 yrs
1 decade = 10 yrs
400 divided by 10 = 40
There are 40 decades in 4 centuries
2007-07-18 01:44:40
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answer #1
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answered by Anonymous
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A decade has 10 years and a century has 100
so it would be 40 decades in 4 centuries
2007-07-18 08:44:46
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answer #2
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answered by SubwayGirl 4
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40----10 years in 1 decade; 10 decades in 100 years; 100 years=1 century; 400 years=4 centuries, so 4 x 10=40
2007-07-19 00:18:10
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answer #3
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answered by jan51601 7
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There are 40 decades in 4 centuries.
2007-07-18 11:10:05
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answer #4
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answered by Krishna K 2
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one century has 100 years, that means 10 decades. Therefore 4 centuries have 10 x 4 = 40 decades....
2007-07-18 09:55:11
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answer #5
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answered by mavmar72 3
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Forty (40), because there are 100 years in a century, and 10 years in a decade, so 100(4) = 400, divided by 10 because it is the number of years in a decade, and you get 40.
2007-07-19 04:03:14
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answer #6
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answered by MatT 7
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40
2007-07-18 10:54:28
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answer #7
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answered by Kevin T 2
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40
decades are the totals of 10 years
centuries are the totals of 100 years
2007-07-19 22:39:29
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answer #8
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answered by jason.h 1
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doh, 40!
2007-07-20 12:24:52
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answer #9
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answered by Janet B 5
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