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Why is it that 9 times 11 in Roman numerals is XCIX rather than IC?
Wiki User
∙ 12y ago
The short answer is they should be IC but in accordance with today's rules governing the Roman numeral system 99 is notated as XCIX.
But 9*11 is the equivalent of IX*XI which works out as -XI+CX=IC (-1+100=99)
In fact the Romans themselves would have worked out the problem on an abacus counting device as LXXXXVIIII and probably simplified it to IC in written form because the Latin word for IC is 'undecentum' which literally means one from a hundred.
Wiki User
∙ 12y ago
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What does XCIX equal in roman numurals?
In todays modern notation of Roman numerals they represent 99
How do you halve the Roman numerals of XCIX?
49.5 = SL in Roman numerals
What is XCIX in roman numerals?
99
What is X-XCIX?
The Roman numerals X-XCIX represent 10-99
What is xcix represent in Roman Numerals?
99
What are the Roman numerals for 49 and 99?
The number 49 in Roman numerals is XLIX and the number 99 in Roman numerals is XCIX
What is number 99989 in Roman numerals?
The number 99,989 can be represented by the Roman numerals (XCIX)CMLXXXIX
Write the number 99989 in Roman Numerals?
The number 99,989 can be represented by the Roman numerals (XCIX)CMLXXXIX
The sum of the roman numerals xcix and mlvi is?
99+1056 = 1155 or MCLV in Roman numerals Today we write out 99 in Roman numerals as XCIX but the Romans themselves would have probably wrote it out simply as IC (-1+100 = 99)
What Roman numeral is XCIX?
C=100 X=10 I=1 So it is 10 before 100 (=90) plus 1 before 10 (=9) . Thus the answer in ARABIC numerals is "99", while of cause XCIX in ROMAN numerals is "XCIX"
What is 99 minus 19 in Roman numerals?
XCIX - XIX = LXXX
What is 99 in roman numerals?
XCIX is the modern standard for 99.
