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OpenStudy (anonymous):
the number of significant in 640cm
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OpenStudy (saifoo.khan):
Elaborate more!
OpenStudy (anonymous):
how many significant figures in 640cm?
OpenStudy (anonymous):
200.0mL?
OpenStudy (preetha):
If you are looking for the number of significant digits in the number 640 cm, it is ambiguous. The best answer is 3, assuming that the last 0 is also significant. The most accurate way to write this number is 6.40 x 10^2. It is then clear that there are 3 sig figs.
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