Trillionth: Difference between revisions
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#REDIRECT [[Orders_of_magnitude_(numbers)#10−12]] |
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One '''trillionth''' is the [[Multiplicative inverse|reciprocal]] of a [[trillion]], which means it has one of two definitions depending on whether the [[long and short scales|long scale]] or [[long and short scales|short scale]] numbering system is in use. |
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==Short scale countries== |
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In most [[English language|English]]-speaking countries, a trillionth is equal to 0.000 000 000 001, or 1 x 10<sup>-12</sup> in [[scientific notation]]. The prefix for a number of this magnitude is [[pico]] (pronounced "''peeko''"), and is abbreviated as lowercase p. |
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==Long scale countries== |
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In most European countries, a trillionth is equal to 0.000 000 000 000 000 001, or 1 x 10<sup>-18</sup> in [[scientific notation]]. The prefix for a number of this magnitude is [[atto]] , and is abbreviated as lowercase a. |
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{{num-stub}} |
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[[Category:Fractions]] |
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Latest revision as of 20:13, 20 September 2022
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