chemistry

a) How many micrometers make 0.4 m?

b)How many µg in 4.732 mg?

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  1. well, a million micrometers make up a meter, so here, I bet 400,000

    Lets see: .4m*10^6micrometers/meter=.4*10^6=4*10^5.

    4.732mg*1000microgram/milligram=4732 micrograms

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