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February 26, 2015

February 26, 2015

Posted by **Kam** on Wednesday, November 3, 2010 at 7:07pm.

We are learning about exponents. A type of bacteria reproduces by splitting in two every thirty minutes. How many bacteria will there be after 4 hours if there are 2 bacteria to begin with?

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**Ms. Sue**, Wednesday, November 3, 2010 at 7:13pm2

4

8 = 1st hour

16

32 = 2nd hour

64

128 = 3rd hour

256

512 = 4th hour

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**Kam**, Wednesday, November 3, 2010 at 7:20pmThank you Ms. Sue, I was not sure if it was 256 or 512.

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**Ms. Sue**, Wednesday, November 3, 2010 at 7:22pmYou're welcome, Kam.

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