SOLUTION: How do you write 10.9 in Roman Numerals? I know how to write the 10, but am unsure of how the decimals are done.
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Question 156248: How do you write 10.9 in Roman Numerals? I know how to write the 10, but am unsure of how the decimals are done.
Found 4 solutions by carter6949, Mathtut, HELLOI, CoolRekt:
Answer by carter6949(26) (Show Source): You can put this solution on YOUR website!
if im thinking correctly you would just put X.IX
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
they didnt write decimals.....there was no usage of it
:
if they did then it probably would be X.IX, but they didnt
:
who comes up with such questions????
:
Did the Romans use fractions?
The Romans didn't have a standard way to write fractions using their numerals. Instead, they just wrote out the word for the fraction: for example, two-sevenths was "duae septimae" and three-eighths was "tres octavae." The Romans did not have a word for every imaginable fraction: how often do you need to say thirty-three seventieths? If necessary, they would probably have said something like, "thirty-three seventieth parts," or "triginta tres septuagensimae partes."
The Romans did most of their practical calculations with fractions by using the uncia. The uncia started out as 1/12 of the as, a unit of weight (the word uncia is related to our word "ounce"), but it soon came to mean 1/12 of anything. You can add up twelfths to make halves, thirds, or quarters, so the uncia was fairly versatile. When they wanted smaller fractions, the Romans usually cut the uncia into smaller parts. The system is very similar to measuring length in inches and fractions of the inch: you might not measure an object's length exactly, but you can still come very close.
There were Roman and medieval symbols for multiples of the uncia. The semis, which was six unciae, or one-half, was often represented by this symbol: . However, uncia symbols were never standardized, and not everybody used them. Some late medieval writers even substituted the modern fraction bar.
Answer by HELLOI(2) (Show Source): You can put this solution on YOUR website!
'MATHTUT' GOT THAT FROM THIS WEBSITE IF U WANNA READ MORE.
http://mathforum.org/library/drmath/view/52552.html
Answer by CoolRekt(53) (Show Source): You can put this solution on YOUR website!
10.9 = X.IX
X = 10
.IX = .9
X + .IX = 10 + .9 = X.IX = 10.9
CoolRekt
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