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Hard Math trivia
Hard Math Trivia! It says what it is in the title.
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1
What is the correct mathematical name of this: - (it is a division bar)
Vinculum
Virgule
Obelus
Octothorpe
2
What is the correct mathematical name of this: # (a hash or number sign)
Vinculum
Virgule
Obelus
Octothorpe
3
What is the correct mathematical name of this: / (division slash)
Vinculum
Virgule
Obelus
Octothorpe
4
What is the correct mathematical name of this: Ã· (division sign)
Vinculum
Virgule
Obelus
Octothorpe
5
What digit did Arab mathematician al-Khwarizmi give to the West around 800 B/B.?
Zero
One
Two
Three
6
What two letters are both symbols for 1,000?
K and T
T and M
K and M
M and O
7
What century did mathematicians first use plus and minus signs?
Sixteenth
Seventeenth
Egighteenth
Fifteenth
8
What number, a one followed by 100 zeros, was first used by nine-year-old Milton Sirotta in 1940?
Googol
Trillion
Zillion
Nillion
9
How many equal sides does an icosahedron have?
Ten
Twenty
Twenty Five
Thirty
10
What number does "giga" stand for?
A million
A billion
A googol
A trillion
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