Posted by **Amy** on Monday, December 21, 2009 at 12:34am.

The population of a particular type of bacteria doubles in number every 12 hours.

a)if there are 8 bcteria initially, write an equation that models the number of bacteria present after x 12 hours.

b)How many bacteria will be present after 5 days?

by using this formula N(t)=N0(1+r)2

The 0 is a small o on the bottom. i could be wrong with the formula.

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