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At every 20 minutes, one bacterium divid...

At every 20 minutes, one bacterium divide into two. How many bacteria will be produced after two hours, if one starts with 10 bacteria?

A

`2^(5)xx10`

B

`2^(5)xx10^(5)`

C

`2^(6)xx10`

D

`2^(6)xx10^(6)`

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