The time duration between 10 BCE and 10 CE is of 20years. Hence, Option C is correct.
What is BCE?
The Gregorian calendar, which is the most widely used calendar system in the world, has year notations for the Common Era and Before the Common Era. Dionysius Exiguus used the notations Anno Domini and Before Christ; Common Era and Before the Common Era is substituted.
Before the Christian Era or BCE, is a term used to refer to the years that preceded the birth of Jesus Christ. Nowadays, B.C.E. is frequently used in place of B.C., particularly in scientific literature.
Before the year 1 CE is what BCE (Before Common Era) and BC (Before Christ) refer to (Common Era). Example: Subtract 700 years from 2000 BC and 1300 BC. The difference between 900 and 1450 CE is equal to 550 years. 345 BC and 670 AD are not the same.
Thus, BCE And CE are different than add (10+10=20). Option C is correct.
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