Population Problem

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Population Problem

by GMAT12 » Thu May 14, 2009 7:55 am
A certain population of bacteria doubles every 10 minutes. If the number of bacteria in the population was intially was 10^4.What was the number in the population 1 hour later?

A.2(10)^4
B.6(10^4)
C.(2^6)(10^4)
D.(10^6)(10^4)
E.(10^4)^6

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by krisraam » Thu May 14, 2009 8:13 am
C.

Thanks
Raama

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by mike22629 » Thu May 14, 2009 8:13 am
First, find out how many times it doubles.

Since it doubles every 10 minutes for an hour, it will double 6 times.

It originally starts at 10^4, which you have to double six times.

so...
(2^6)(10^4)

IMO C.

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by GMAT12 » Thu May 14, 2009 8:22 am
Thank you :D