French term
Nigeria
original translations
Native in: English 
Works in: French to English, English to French
6,4.10
La constante de vitesse de l’ensemble des processus est 6,4.10 cm3/s-1
| 5 | 6.4 * 10(exp-10) cm(exp3)s(exp-1) |
Daryo
|
Dec 21, 2013 09:26: Sandra & Kenneth Grossman changed "Level" from "Non-PRO" to "PRO"
PRO (3): DLyons, Daniel Weston, Sandra & Kenneth Grossman
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Proposed translations
6.4 * 10(exp-10) cm(exp3)s(exp-1)
(exp "xyz") = xyz is the exponent, normally typed in superscript; also
6.4 * 10^-10) cm^3s^-1
as in:
La constante de vitesse de l’ensemble des processus est 6,4 . 10-10 cm3s-1 (± 20 %)
[6,4 (fois) dix puissance moins dix centimètres cube par seconde]
[http://fr.wikipedia.org/wiki/Chlorure_de_xénon]
The rate constant of the entire process is 6,4.10-10cm3s-1 (± 20 %).
[6.4 times 10 exponent -10 cubic centimeters per second]
[http://en.wikipedia.org/wiki/Xenon_monochloride]
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Note added at 3 hrs (2013-12-21 01:47:51 GMT)
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6.4 * 10^-10 cm^3s^-1
| neutral |
Virginie Mair
: faute de frappe dans la question donc? (manque exp -10 avant cm)
4 days
|
Discussion
6.4 * 10^-10 cm^3s^-1
10 is repeated in the "10^-10" part (10 exponent -10 = one ten-billionth of ...);
in the ST the second 10 (-10 as exponent) is missing.
without the -10 as exponent, even when the redundant "/" is removed, it's still nonsense - you can't write a number in scientific notation without putting an exponent to 10.
Theoretically the exponent could be "1" and then could be omitted, but scientific notation is used for very big or very small numbers, no one would bother putting a number in that form otherwise.
[http://en.wikipedia.org/wiki/Floating_point]
I see no repetition of 10 in the original.
"^" gives you your "exp". The secretary is probably fine. ;-)
So French 6,4.10 cm^3/s^-1 = 6.4 x 10 cm^3/s^-1 in English???
The rate constant at 500 K for O2^+ with Nitrogen -> NO^+ is of the order of 4×10^-21 cm^3 s^-1.