Homework Help: food

Posted by pepper on Wednesday, January 23, 2013 at 11:34am.

if a single bacterium on food has ideal conditions , approximately how many bacteria could be on the food after 3 hours if they double every ten minutes

food - Steve, Wednesday, January 23, 2013 at 1:18pm
in t minutes, the number of bacteria is

2^(t/10)

so, after 3 hours (180 minutes) there are

2^(180/10) = 2^18 = 262144

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