how does this system denote a number that does not have value?
"nulla"
Roman numerals
"nulla"
what part of the brain controls cranial nerves Central nervous system how are these nerves named? With Roman numerals I–XII what is the system you mentioned above? It is the part of the nervous system consisting primarily of the brain and spinal cord. can you explain this cord? The spinal cord is a long, thin, tubular structure made up of nervous tissue, which extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column. what are its divisions? Six to eight motor nerve rootlets branch out of right and left ventro lateral sulci in a very orderly manner. when was the above mentioned number system introduced? From the 14th century what is its origin? It originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages.
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Roman numerals [SEP] Zero
The number zero did not originally have its own Roman numeral, but the word "nulla" (the Latin word meaning "none") was used by medieval scholars to represent 0. Dionysius Exiguus was known to use "nulla" alongside Roman numerals in 525. About 725, Bede or one of his colleagues used the letter , the initial of "nulla" or of "nihil" (the Latin word for "nothing") for 0, in a table of epacts, all written in Roman numerals.