2.7km/s = 2.7m/ms = 0.0027km/ms


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送交者: squirrel 于 2008-01-11, 10:56:33:

回答: i think so. if you think of it as 8x10^3 m / 3x10^3 ms. 由 Enlighten 于 2008-01-11, 10:49:51:

you said "the rule should be to have one more digit than the smallest number of digits in the original data."

is it correct?





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