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23 Cards in this Set
- Front
- Back
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Long scale
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Many countries, including most in continental Europe, use the long scale
Long scale is the English translation of the French term échelle longue. It refers to a system of large-number names in which every new term greater than million is 1,000,000 times the previous term: billion means a million millions (1012), trillion means a million billions (1018), and so on. |
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Short scale
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most English-speaking countries and Arabic-speaking countries use the short scale
Short scale is the English translation of the French term échelle courte. It refers to a system of large-number names in which every new term greater than million is 1,000 times the previous term: billion means a thousand millions (109), trillion means a thousand billions (1012), and so on |
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Multiple: 10^ 24
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Prefix: yotta - - Symbol: Y - - 1000^m: 1000^8 - - short scale: septillion - - long scale: quadrillion - - decimal: 1,000,000,000,000,000,000,000,000 - - used since: 1991
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Multiple: 10^21
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Prefix: zetta - - Symbol: Z - - 1000^m: 1000^7 - - short scale: sextillion - - long scale: trilliard - - decimal: 1,000,000,000,000,000,000,000 - - used since: 1991
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Multiple: 10^18
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Prefix: exa - - Symbol: E - - 1000^m: 1000^6 - - short scale: quintillion - - long scale: trillion - - decimal: 1,000,000,000,000,000,000 - - used since: 1975
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Multiple: 10^15
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Prefix: peta - - Symbol: P - - 1000^m: 1000^5 - - short scale: quadrillion - - long scale: billiard - - decimal: 1,000,000,000,000,000 - - used since: 1975
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Multiple:10^12
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Prefix: tera - - Symbol: T - - 1000^m: 1000^4 - - short scale: trillion - - long scale: billion - - decimal: 1,000,000,000,000 - - used since: 1960
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Multiple:10^9
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Prefix: giga - - Symbol: G - - 1000^m: 1000^3 - - short scale: billion - - long scale: milliard - - decimal: 1,000,000,000 - - used since: 1960
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Multiple: 10^6
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Prefix: mega - - Symbol: M - - 1000^m: 1000^2 - - short scale & long scale: million - - decimal: 1,000,000 - - used since: 1960
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Multiple: 10^3
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Prefix: kilo - - Symbol: k - - 1000^m: 1000^1 - - short scale & long scale: thousand - - decimal: 1,000 - - used since: 1795
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Multiple: 10^2
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Prefix: hecto - - Symbol: h - - 1000^m: 1000^2/3 - - short scale & long scale: hundred - - decimal: 100 - - used since: 1795
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Multiple: 10^1
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Prefix: deca - - Symbol: da - - 1000^m: 1000^1/3 - - short scale & long scale: ten - - decimal: 10 - - used since: 1795
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Multiple: 10^0
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Prefix: - - Symbol: - - 1000^m: 1000^0 - - short scale & long scale: one - - decimal: - - used since:
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Multiple: 10^-1
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Prefix: deci - - Symbol: d - - 1000^m: 1000^-1/3 - - short scale & long scale: tenth - - decimal: 0.01 - - used since: 1795
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Multiple: 10^-2
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Prefix: centi - - Symbol: c - - 1000^m: 1000^-2/3 - - short scale & long scale: hundredth - - decimal:0.001 - - used since: 1795
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Multiple: 10^-3
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Prefix: milli - - Symbol: m - - 1000^m: 1000^-1 - - short scale & long scale: thousandth - - decimal: 0.001 - - used since: 1795
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Multiple: 10^-6
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Prefix: micro - - Symbol: µ - - 1000^m: 1000^-2 - - short scale: millionth - - decimal: 0.000 001 - - used since: 1960
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Multiple: 10^-9
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Prefix: nano - - Symbol: n - - 1000^m: 1000^-3 - - short scale: billionth - - long scale: milliardth - - decimal: 0.000 000 001 - - used since: 1960
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Multiple: 10^-12
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Prefix: pico - - Symbol: p - - 1000^m: 1000^-4 - - short scale: trillionth - - long scale: billionth - - decimal: 0.000 000 000 001 - - used since: 1960
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Multiple: 10^-15
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Prefix: femto - - Symbol: f - - 1000^m: 1000^-5 - - short scale: quadrillionth - - long scale: billiardth - - decimal: 0.000 000 000 000 001 - - used since: 1964
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Multiple: 10^-18
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Prefix: atto - - Symbol: a - - 1000^m: 1000^-6 - - short scale: quintillionth - - long scale: trillionth - - decimal: 0.000 000 000 000 000 001 - - used since: 1964
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Multiple: 10^ -21
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Prefix: zepto - - Symbol: z - - 1000^m: 1000^-7 - - short scale:sextillionth- - long scale: trillardth - - decimal: 0.000 000 000 000 000 000 001 - - used since: 1991
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Multiple: 10^-24
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Prefix: yocto - - Symbol: y - - 1000^m: 1000^-8 - - short scale: septillionth - - long scale: quadrillionth - - decimal: 0.000 000 000 000 000 000 000 001 - - used since: 1991
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