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if you leave a milk jug out of 1 day and the bacteria multiply by 2 every 20 minuets and it starts with 1 bacteria how much bacteria will you have if it started at 12 noon?

 Jan 26, 2015

Best Answer 

 #1
avatar+118724 
+5

there are 3*24=72 lots of 20 minutes in a day    It is one day isn't it?

The beginning and the end count to n=73

1,2,4,6,8,.....

$$\\T_n=ar^{n-1}\\\\
T_{73}=1*2^{72}\\\\$$

 

$${{\mathtt{2}}}^{{\mathtt{72}}} = {\mathtt{4\,722\,366\,482\,869\,645\,213\,696}}$$

 Jan 27, 2015
 #1
avatar+118724 
+5
Best Answer

there are 3*24=72 lots of 20 minutes in a day    It is one day isn't it?

The beginning and the end count to n=73

1,2,4,6,8,.....

$$\\T_n=ar^{n-1}\\\\
T_{73}=1*2^{72}\\\\$$

 

$${{\mathtt{2}}}^{{\mathtt{72}}} = {\mathtt{4\,722\,366\,482\,869\,645\,213\,696}}$$

Melody Jan 27, 2015

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