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Q: What does the roman numbers xcxi add up to in years?
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What is 1980 in Roman numerals?

MCMLXXX is the number 1980 in roman numerals. The XXX in last is to add 30 to make the last numbers 80.


What is equivalent of XDXD in roman numbers?

1,020Improved Answer:-If you mean X+D+X+D then thay add up to MXX = 1,020


How would you add up the four numbers of 49 119 199 and 1409 when converted into Roman numerals?

I would convert them back into Hindu-Arabic numerals, do the addition and then convert the answer to Roman numerals.


What is all of the Fibonacci numbers in nature?

Its indefinite: Start with 0,1 add last two numbers = 1 add to sequence = 0,1,1 add last two numbers = 2 add to sequence = 0,1,1,2 add last two numbers = 3 add to sequence = 0,1,1,2,3 add last two numbers = 5 add to sequence = 0,1,1,2,3,5 add last two numbers ......... add to sequence ..........


What is the formula for average?

you add all the numbers and divide by how many numbers there are by the answer you get when tou add all the numbers


What happens when you add 3 numbers together?

You can add 3 numbers (or any quantity of numbers) and get a sum.


Was the roman society able to add subtract multiply and divide using the numerals?

Yes, although they look different from what we're used to seeing they are still numbers


How do you fing the average?

You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).


Can you add numbers and still come out with less?

Yes, if you add negative numbers.


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How would you add up 1444 and 555 in Roman numerals?

With great difficulty because 1444 in Roman numerals in today's terms are MCDXLIV and to add them to DLV (555) is an almost impossible task. But the Romans probably calculated the above numbers on a abacus calculating board as:- MCCCCXXXXIIII + DLV = MDCCCCLXXXXVIIII = IMM (-1+2000=1999) when simplified. The rules governing today's Roman numeral system were not the same rules in which the Romans themselves actually used because they were changed in the Middle Ages presumably to make it easier to convert Roman numerals into Hindu-Arabic numerals that were gradually being introduced into Western Europe.