Asked by Kam

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?
Answered by Caitlin
there will be 16 bacteria.
you take 2 time 4 to find out how many bacteria in one then 2 times 4 is 8 so 8 times 2.. equals 16
Answered by Kam
We are learning about exponents, I don't think this is the correct answer, anybody esle have a thought?
Answered by Ms. Sue
You're right, Kam. Caitlin's answer is not correct. Please see my post to you above.

The total number is 512.

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