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Mathematics 14 Online
OpenStudy (anonymous):

how many significant digits does 42.70 have

OpenStudy (anonymous):

4

OpenStudy (anonymous):

there are 4 sig figs http://www.usca.edu/chemistry/genchem/sigfig.htm

OpenStudy (anonymous):

thnaks so much @phuong.tong

OpenStudy (anonymous):

how many significant digits does 20,401 have?

OpenStudy (anonymous):

5

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